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Ph1 gene

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https://www.readbyqxmd.com/read/28772207/bone-marrow-mesenchymal-stromal-cell-msc-gene-profiling-in-chronic-myeloid-leukemia-cml-patients-at-diagnosis-and-in-deep-molecular-response-induced-by-tyrosine-kinase-inhibitors-tkis
#1
Djamel Aggoune, Nathalie Sorel, Marie-Laure Bonnet, Jean-Michel Goujon, Karin Tarte, Olivier Hérault, Jorge Domenech, Delphine Réa, Laurence Legros, Hyacinthe Johnson-Ansa, Philippe Rousselot, Emilie Cayssials, Agnès Guerci-Bresler, Annelise Bennaceur-Griscelli, Jean-Claude Chomel, Ali G Turhan
Although it has been well-demonstrated that bone marrow mesenchymal stromal cells (MSCs) from CML patients do not belong to the Ph1-positive clone, there is growing evidence that they could play a role in the leukemogenesis process or the protection of leukemic stem cells from the effects of tyrosine kinase inhibitors (TKIs). The aim of the present study was to identify genes differentially expressed in MSCs isolated from CML patients at diagnosis (CML-MSCs) as compared to MSCs from healthy controls. Using a custom gene-profiling assay, we identified six genes over-expressed in CML-MSCs (BMP1, FOXO3, MET, MITF, NANOG, PDPN), with the two highest levels being documented for PDPN (PODOPLANIN) and NANOG...
July 26, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28752386/glycolate-oxidase-deficiency-in-a-patient-with-congenital-hyperinsulinism-and-unexplained-hyperoxaluria
#2
Oliver Clifford-Mobley, Gill Rumsby, Swati Kanodia, Mohammed Didi, Richard Holt, Senthil Senniappan
BACKGROUND: A baby girl was born at 39 weeks gestation to consanguineous Asian parents. From day 1 of life she had severe hypoglycaemia with an inappropriately elevated insulin concentration consistent with congenital hyperinsulinism (CHI), confirmed by the finding of a homozygous mutation in ABCC8 (encoding the sulfonylurea receptor 1). CASE DIAGNOSIS/TREATMENT: Urine organic acid analysis showed an incidentally elevated excretion of glycolate. Whilst this was unlikely to contribute to the hypoglycaemia, hyperglycolic aciduria is a known feature of primary hyperoxaluria type 1 (PH1); therefore oxalate was also measured in urine and found to be elevated...
July 27, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28619084/unusual-clinical-outcome-of-primary-hyperoxaluria-type-1-in-tunisian-patients-carrying-33_34insc-mutation
#3
Ibtihel Benhaj Mbarek, Saoussen Mdimeg, Amira Moussa, Dorsaf Zellama, Hayat Kaarout, Jaouida Abdelmoula, Abdellatif Achour, Saoussen Abroug, Asma Omezzine, Ali Bouslama
BACKGROUND: Primary hyperoxaluria type 1 (PH1), is a rare and heterogeneous disease and one of major causes of renal insufficiency in Tunisia, caused by mutations in the AGXT gene. 33-34InsC mutation, was mainly described in children with a severe clinical feature leading to early death, but it was uncommonly reported in adult patients. METHODS: Common mutations in AGXT were tested using PCR/RFLP technique in 111 patients (68 adult, 43 children) with suspected PH1...
June 15, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28615873/molecular-characterization-of-internal-transcribed-spacer-1-its-1-region-of-different-trypanosoma-evansi-isolates-of-india
#4
Souti Prasad Sarkhel, Surender Kumar Gupta, Jyoti Kaushik, Jarnail Singh, Deepak Kumar Gaur, Sanjay Kumar, Rajender Kumar
Six Trypanosoma evansi isolates collected from ponies (PH1 and PK6), camel (CB2), donkeys (DJ3 and DH4) and cattle (CK5) from Haryana, Rajasthan, Uttar Pradesh and Gujarat states of India were used for molecular characterization of internal transcribed spacer 1 (ITS 1). The DNA was isolated from purified trypanosomes of these six isolates after propagation in mice model. ITS1-PCR of purified parasite DNA yielded an amplification product approximately 540 bp in size. Nucleotide sequence of ITS1 gene of CB2 isolate had 530 bp while CK5, DH4, DJ3, and PH1 isolates had 532 bp, whereas, PK6 isolates had 533 bp size...
June 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/28595834/the-completely-annotated-genome-and-comparative-genomics-of-the-peptoniphilaceae-bacterium-str-ing2-d1g-a-novel-acidogenic-bacterium-isolated-from-a-mesophilic-biogas-reactor
#5
Geizecler Tomazetto, Sarah Hahnke, Thomas Langer, Daniel Wibberg, Jochen Blom, Irena Maus, Alfred Pühler, Michael Klocke, Andreas Schlüter
The strictly anaerobic Peptoniphilaceae bacterium str. ING2-D1G (=DSM 28672=LMG 28300) was isolated from a mesophilic laboratory-scale completely stirred tank biogas reactor (CSTR) continuously co-digesting maize silage, pig and cattle manure. Based on 16S rRNA gene sequence comparison, the closest described relative to this strain is Peptoniphilus obesi ph1 showing 91.2% gene sequence identity. The most closely related species with a validly published name is Peptoniphilus indolicus DSM 20464(T) whose 16S rRNA gene sequence is 90...
June 6, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28551940/-oxalate-stones-are-prevalent-among-druze-and-muslim-arabs-in-the-galilee
#6
Limor Kalfon, Irit Weissman, Miriam Hershkovits, Nadra Nasser Samra, Nurit Edri, Morad Khayat, Mary Tanus, Shihab Shihab, Hanna Mandel, Tzipora Falik-Zaccai
INTRODUCTION: Primary Hyperoxaluria type I (PH1) is a rare autosomal recessive disease caused by lack or dysfunction of the liver peroxisomal enzyme alanine: glyoxylate aminotransferase, AGT. AIMS: To conduct clinical and genetic characterization of Druze and Muslim Arab patients with PH1 in Northern Israel. METHODS: In the last 20 years, 36 children and families were diagnosed and treated in the Nephrology-Genetic Clinic at the Galilee Medical Center...
March 2017: Harefuah
https://www.readbyqxmd.com/read/28213660/evidence-of-an-unidentified-extracellular-heat-stable-factor-produced-by-lysobacter-enzymogenes-oh11-that-degrade-fusarium-graminearum-ph1-hyphae
#7
Benard Omondi Odhiambo, Gaoge Xu, Guoliang Qian, Fengquan Liu
Lysobacter enzymogenes OH11 produces heat-stable antifungal factor (HSAF) and lytic enzymes possessing antifungal activity. This study bio-prospected for other potential antifungal factors besides those above. The cells and extracellular metabolites of L. enzymogenes OH11 and the mutants ΔchiA, ΔchiB, ΔchiC, Δclp, Δpks, and ΔpilA were examined for antifungal activity against Fusarium graminearum PH1, the causal agent of Fusarium head blight (FHB). Results evidenced that OH11 produces an unidentified extracellular heat-stable degrading metabolite (HSDM) that exhibit degrading activity on F...
April 2017: Current Microbiology
https://www.readbyqxmd.com/read/28202121/-oliguria-and-acute-renal-dysfunction-in-a-six-month-old-infant
#8
Ya-Jie Cui, Chun-Lan Song, Yi-Bing Cheng
The infant (a girl aged 6 months) was admitted to the hospital because of oliguria and acute renal dysfunction. The laboratory examination results showed serious metabolic acidosis and increased blood urea nitrogen and serum creatinine levels. The patient continued to be anuric after 10 days of treatment with continuous renal replacement therapy (CRRT). she died a day later. The family history showed that the patient's sister died of acute renal failure 6 months after birth. The genomic sequencing results showed AGXT mutation in the patient and confirmed the diagnosis of primary hyperoxaluria type 1 (PH1)...
February 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28161266/clinical-spectrum-of-primary-hyperoxaluria-type%C3%A2-1-experience-of-a-tertiary-center
#9
Neveen A Soliman, Marwa M Nabhan, Safaa M Abdelrahman, Hanan Abdelaziz, Rasha Helmy, Khaled Ghanim, Hafez M Bazaraa, Ahmed M Badr, Omar A Tolba, Magd A Kotb, Khaled M Eweeda, Alaa Fayez
BACKGROUND AND AIM: Primary hyperoxalurias are rare inborn errors of metabolism resulting in increased endogenous production of oxalate that leads to excessive urinary oxalate excretion. Diagnosis of primary hyperoxaluria type 1 (PH1) is a challenging issue and depends on diverse diagnostic tools including biochemical analysis of urine, stone analysis, renal biopsy, genetic studies and in some cases liver biopsy for enzyme assay. We characterized the clinical presentation as well as renal and extrarenal phenotypes in PH1 patients...
May 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/27960020/-the-hyperoxalurias
#10
Martino Marangella, Michele Petrarulo, Francesca Bermond, Cristina Marcuccio, Corrado Vitale
Oxalate (Ox) is an end-product of metabolism, important for poor solubility of its calcium salt in biological fluids. Ox can therefore be found in about 70% of urinary calculi. Hyperoxaluria (HOx) defined as Ox exceeding 0.5 mmol)/day, may cause nephrolithiasis/nephrocalcinosis and may be classified as dietary (DH), enteric (EH) or primary (PH). Fractional intestinal absorption of Ox is less than 10%, but increases to over 20% at calcium intakes below 200 mg/day. DH is often related to low-calcium diets. EH is caused by non-absorbed fatty acids which bind to calcium and lower its concentration in the intestinal lumen...
2016: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/27935012/mutational-analysis-of-agxt-in-tunisian-population-with-primary-hyperoxaluria-type-1
#11
Saoussen M'dimegh, Asma Omezzine, Ibtihel M'barek, Amira Moussa, Sameh Mabrouk, Hayet Kaarout, Geneviéve Souche, Jalel Chemli, Sabra Aloui, Cécile Aquaviva-Bourdain, Abdellatif Achour, Saoussen Abroug, Ali Bouslama
BACKGROUND: Primary hyperoxaluria type 1 (PH1) is an autosomal recessive metabolic disorder caused by inherited mutations in the AGXT gene encoding liver peroxisomal alanine:glyoxylate aminotransferase (AGT). PH1 is a clinically and genetically heterogeneous disorder. The aim of our study was to analyze and characterize the mutational spectrum of PH1 in Tunisian patients. MATERIALS AND METHODS: Molecular studies of 146 Tunisian patients suspected with PH were performed by PCR/Restriction fragment length polymorphism (RFLP) to detect seven mutations described as the most common...
January 2017: Annals of Human Genetics
https://www.readbyqxmd.com/read/27915025/molecular-analysis-of-the-agxt-gene-in-patients-suspected-with-hyperoxaluria-type-1-and-three-novel-mutations-from-turkey
#12
Emel Isiyel, Sevcan A Bakkaloglu Ezgu, Salim Caliskan, Sema Akman, Ipek Akil, Yilmaz Tabel, Nurver Akinci, Elif Bahat Ozdogan, Ahmet Ozel, Fehime Kara Eroglu, Fatih S Ezgu
Primary hyperoxaluria type 1 (PH1) is a rare, autosomal recessive disease, caused by the defect of AGXT gene encoding hepatic peroxisomal alanine glyoxylateaminotransferase (AGT). This enzyme is responsible for the conversion of glyoxylate to glycine. The diagnosis of PH1 should be suspected in infants and children with nephrocalcinosis or nephrolithiasis. Early diagnosis and treatment is crucial in preventing disease progression to end stage kidney disease (ESKD). In this study, AGXT gene sequence analyses were performed in 82 patients who were clinically suspected (hyperoxaluria and nephrolithiasis or nephrocalcinosis with or without renal impairment) to have PH1...
December 2016: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/27909815/homoeologous-recombination-in-the-presence-of-ph1-gene-in-wheat
#13
Dal-Hoe Koo, Wenxuan Liu, Bernd Friebe, Bikram S Gill
A crossover (CO) and its cytological signature, the chiasma, are major features of eukaryotic meiosis. The formation of at least one CO/chiasma between homologous chromosome pairs is essential for accurate chromosome segregation at the first meiotic division and genetic recombination. Polyploid organisms with multiple sets of homoeologous chromosomes have evolved additional mechanisms for the regulation of CO/chiasma. In hexaploid wheat (2n = 6× = 42), this is accomplished by pairing homoeologous (Ph) genes, with Ph1 having the strongest effect on suppressing homoeologous recombination and homoeologous COs...
August 2017: Chromosoma
https://www.readbyqxmd.com/read/27659337/a-novel-mutation-in-the-agxt-gene-causing-primary-hyperoxaluria-type-i-genotype-phenotype-correlation
#14
Saoussen M'Dimegh, Cécile Aquaviva-Bourdain, Asma Omezzine, Ibtihel M'Barek, Geneviéve Souche, Dorsaf Zellama, Kamel Abidi, Abdelattif Achour, Tahar Gargah, Saoussen Abroug, Ali Bouslama
Primary hyperoxaluria type I (PH1) is an autosomal recessive metabolic disorder caused by inherited mutations in the AGXT gene encoding liver peroxisomal alanine : glyoxylate aminotransferase (AGT) which is deficient or mistargeted to mitochondria. PH1 shows considerable phenotypic and genotypic heterogeneity. The incidence and severity of PH1 varies in different geographic regions. DNA samples of the affected members from two unrelated Tunisian families were tested by amplifying and sequencing each of the AGXT exons and intron-exon junctions...
September 2016: Journal of Genetics
https://www.readbyqxmd.com/read/27568336/identification-of-a-novel-agxt-gene-mutation-in-primary-hyperoxaluria-after-kidney-transplantation-failure
#15
Saoussen M'dimegh, Asma Omezzine, Mériam Ben Hamida-Rebai, Cécile Aquaviva-Bourdain, Ibtihel M'barek, Wissal Sahtout, Dorsaf Zellama, Geneviéve Souche, Abdellatif Achour, Saoussen Abroug, Ali Bouslama
Primary hyperoxaluria is a genetic disorder in glyoxylate metabolism that leads to systemic overproduction of oxalate. Functional deficiency of alanine-glyoxylate aminotransferase in this disease leads to recurrent nephrolithiasis, nephrocalcinosis, systemic oxalosis, and kidney failure. The aim of this study was to determine the molecular etiology of kidney transplant loss in a young Tunisian individual. We present a young man with end-stage renal disease who received a kidney allograft and experienced early graft failure...
November 2016: Transplant Immunology
https://www.readbyqxmd.com/read/27561601/hoga1-gene-mutations-of-primary-hyperoxaluria-type-3-in-tunisian-patients
#16
Saoussen M'dimegh, Cécile Aquaviva-Bourdain, Asma Omezzine, Geneviéve Souche, Ibtihel M'barek, Kamel Abidi, Tahar Gargah, Saoussen Abroug, Ali Bouslama
BACKGROUND: Primary hyperoxaluria type 3 (PH3) is due to mutations in the recently identified 4-hydroxy-2-oxoglutarate aldolase (HOGA1) gene. PH3 might be the least severe form with a milder phenotype with good preservation of kidney function in most patients. The aim of this study was to report three PH3 cases carrying mutations in HOGA1. MATERIALS AND METHODS: Genetic analysis of HOGA1 was performed in patients with a high clinical suspicion of PH after sequencing of AGXT and GRHPR genes, which was negative...
August 26, 2016: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/27214749/evolution-of-tonoplast-p-atpase-transporters-involved-in-vacuolar-acidification
#17
Yanbang Li, Sofia Provenzano, Mattijs Bliek, Cornelis Spelt, Ingo Appelhagen, Laura Machado de Faria, Walter Verweij, Andrea Schubert, Martin Sagasser, Thorsten Seidel, Bernd Weisshaar, Ronald Koes, Francesca Quattrocchio
Petunia mutants (Petunia hybrida) with blue flowers defined a novel vacuolar proton pump consisting of two interacting P-ATPases, PH1 and PH5, that hyper-acidify the vacuoles of petal cells. PH5 is similar to plasma membrane H(+) P3A -ATPase, whereas PH1 is the only known eukaryoticP3B -ATPase. As there were no indications that this tonoplast pump is widespread in plants, we investigated the distribution and evolution of PH1 and PH5. We combined database mining and phylogenetic and synteny analyses of PH1- and PH5-like proteins from all kingdoms with functional analyses (mutant complementation and intracellular localization) of homologs from diverse angiosperms...
August 2016: New Phytologist
https://www.readbyqxmd.com/read/26946417/updated-genetic-testing-of-italian-patients-referred-with-a-clinical-diagnosis-of-primary-hyperoxaluria
#18
Alessandra Pelle, Alessandra Cuccurullo, Cecilia Mancini, Regina Sebastiano, Giovanni Stallone, Susanna Negrisolo, Elisa Benetti, Licia Peruzzi, Michele Petrarulo, Mario De Marchi, Martino Marangella, Antonio Amoroso, Daniela Giachino, Giorgia Mandrile
BACKGROUND: Primary hyperoxaluria (PH) is a rare autosomal recessive disease commonly arising in childhood and presenting with nephrolithiasis, nephrocalcinosis and/or chronic renal failure. Three genes are currently known as responsible: alanine-glyoxylate aminotransferase (AGXT, PH type 1), glyoxylate reductase/hydroxypyruvate reductase (GRHPR, PH type 2), and 4-hydroxy-2-oxoglutarate aldolase (HOGA1, PH type 3). In our Centre, at the end of 2014 molecular diagnosis of PH1 had been performed in 80 patients, while one patient received a PH2 diagnosis...
April 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/26747046/introgression-of-genes-from-bread-wheat-enhances-the-aluminium-tolerance-of-durum-wheat
#19
Chang Han, Peng Zhang, Peter R Ryan, Tina M Rathjen, ZeHong Yan, Emmanuel Delhaize
The aluminium tolerance of durum wheat was markedly enhanced by introgression of TaALMT1 and TaMATE1B from bread wheat. In contrast to bread wheat, TaMATE1B conferred greater aluminium tolerance than TaALMT1. Durum wheat (tetraploid AABB, Triticum turgidum) is a species that grows poorly on acid soils due to its sensitivity of Al(3+). By contrast, bread wheat (hexaploid AABBDD, T. aestivum) shows a large variation in Al(3+) tolerance which can be attributed to a major gene (TaALMT1) located on chromosome 4D as well as to other genes of minor effect such as TaMATE1B...
April 2016: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/26703895/ph-like-all-related-novel-fusion-kinase-atf7ip-pdgfrb-exhibits-high-sensitivity-to-tyrosine-kinase-inhibitors-in-murine-cells
#20
Takeshi Ishibashi, Akinori Yaguchi, Kazuki Terada, Hitomi Ueno-Yokohata, Osamu Tomita, Kazutoshi Iijima, Kenichiro Kobayashi, Hajime Okita, Junya Fujimura, Kentaro Ohki, Toshiaki Shimizu, Nobutaka Kiyokawa
ATF7IP-PDGFRB is a novel PDGFRB-related fusion gene identified in B-cell precursor acute lymphoblastic leukemia (BCP-ALL) with a signature similar to that of Ph1 ALL, so-called Ph-like ALL. When we introduced ATF7IP-PDGFRB, murine Ba/F3 cells acquired the ability to proliferate in an interleukin (IL)-3-independent manner. On the contrary, the expression of wild-type PDGFRB is not sufficient to acquire the ability for IL-3-independent proliferation in Ba/F3 cells. The introduction of ATF7IP-PDGFRB also induces a typical gene expression profile for Ph1-ALL in Ba/F3 cells...
March 2016: Experimental Hematology
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