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1.

001-es BibID:BIBFORM038449
Első szerző:Batista, Cesar V. F.
Cím:Two novel toxins from the Amazonian scorpion Tityus cambridgei that block Kv1.3 and Shaker B K(+)-channels with distinctly different affinities / Cesar V. F. Batista, Froylan Gómez-Lagunas, Ricardo C. Rodriguez de la Vega, Péter Hajdu, György Panyi, Rezső Gáspár, Lourival D. Possani
Dátum:2002
ISSN:1570-9639
Megjegyzések:Two novel toxic peptides (Tc30 and Tc32) were isolated and characterized from the venom of the Brazilian scorpion Tityus cambridgei. The first have 37 and the second 35 amino acid residues, with molecular masses of 3,871.8 and 3,521.5, respectively. Both contain three disulfide bridges but share only 27% identity. They are relatively potent inhibitors of K(+)-currents in human T lymphocytes with K(d) values of 10 nM for Tc32 and 16 nM for Tc30, but they are less potent or quite poor blockers of Shaker B K(+)-channels, with respective K(d) values of 74 nM and 4.7 microM. Tc30 has a lysine in position 27 and a tyrosine at position 36 identical to those of charybdotoxin. These two positions conform the dyad considered essential for activity. On the contrary, Tc32 has a serine in the position equivalent to lysine 27 of charybdotoxin and does not contain any aromatic amino acid. Due to its unique primary sequence and to its distinctive preference for K(+)-channels of T lymphocytes, it was classified as the first example of a new subfamily of K(+)-channel-specific peptides (alpha-KT x 18.1). Tc30 is a member of the Tityus toxin II-9 subfamily and was given the number alpha-KT x 4.4.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Biochimica et Biophysica Acta (BBA). Proteins and Proteomics. - 1601 : 2 (2002), p. 123-131. -
További szerzők:Gómez-Lagunas, Froylan Rodriguez de la Vega, Ricardo C. Hajdu Péter (1975-) (biofizikus) Panyi György (1966-) (biofizikus) Gáspár Rezső (1944-) (biofizikus) Possani, Lourival Domingos
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2.

001-es BibID:BIBFORM065626
Első szerző:Csősz Éva (biokémikus, molekuláris biológus)
Cím:Quantitative body fluid proteomics in medicine : a focus on minimal invasiveness / Éva Csősz, Gergő Kalló, Bernadett Jakob, Eszter Deák, Adrienne Csutak, József Tőzsér
Dátum:2017
ISSN:1874-3919
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Body fluid
Quantitative proteomics
Targeted proteomics
Biomarker
AMP
Megjelenés:Journal of Proteomics 153 (2017), p. 30-43. -
További szerzők:Kalló Gergő (1989-) (molekuláris biológus) Márkus Bernadett (1989-) (molekuláris biológus) Deák Eszter (1990-) (klinikai laboratóriumi kutató) Csutak Adrienne (1971-) (szemész) Tőzsér József (1959-) (molekuláris biológus, biokémikus, vegyész)
Pályázati támogatás:TÁMOP-4.2.2.A-11/1/KONV-2012-0045
TÁMOP
Proteomika, Szemészet Kutatócsoport
TÁMOP-4.2.2.D-15/1/KONV-2015-0016
TÁMOP
TÁMOP 4.2.4.A/2-11-1-2012-0001
TÁMOP
PD116817
OTKA
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3.

001-es BibID:BIBFORM065081
Első szerző:Csősz Éva (biokémikus, molekuláris biológus)
Cím:Diabetic retinopathy : proteomic approaches to help the differential diagnosis and to understand the underlying molecular mechanisms / Éva Csősz, Eszter Deák, Gergő Kalló, Adrienne Csutak, József Tőzsér
Dátum:2017
ISSN:1874-3919
Megjegyzések:Diabetic retinopathy is the most common diabetic eye disease and a leading cause of blindness among patients with diabetes. The appearance and the severity of the symptoms correlate with the duration of diabetes and poor blood glucose level management. Diabetic retinopathy is also categorized as a chronic low-level inflammatory disease; the high blood glucose level promotes the accumulation of the advanced glycation end products and leads to the stimulation of monocytes and macrophages. Examination of protein level alterations in tears using state-of the art proteomics techniques have identified several proteins as possible biomarkers for the different stages of the diabetic retinopathy. Some of the differentially expressed tear proteins have a role in the barrier function of tears linking the diabetic retinopathy with another eye complication of diabetes, namely the diabetic keratopathy resulting in impaired wound healing. Understanding the molecular events leading to the eye complications caused by hyperglycemia may help the identification of novel biomarkers as well as therapeutic targets in order to improve quality of life of diabetic patients.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Diabetic retinopathy
Proteomic approaches
Tear fluid biomarkers
Quantitative mass spectrometry
Megjelenés:Journal of Proteomics 150 (2017), p. 351-358. -
További szerzők:Deák Eszter (1990-) (klinikai laboratóriumi kutató) Kalló Gergő (1989-) (molekuláris biológus) Csutak Adrienne (1971-) (szemész) Tőzsér József (1959-) (molekuláris biológus, biokémikus, vegyész)
Pályázati támogatás:TÁMOP-4.2.2.A-11/1/KONV-2012-0045
TÁMOP
Proteomika, Szemészet Kutatócsoport
TÁMOP-4.2.2.D-15/1/KONV-2015-0016
TÁMOP
TÁMOP 4.2.4.A/2-11-1-2012-0001
TÁMOP
PD 116817
OTKA
Astellas Pharma Ltd. Fellowship
Egyéb
Lajos Szodoray Postdoctoral Fellowship
Egyéb
Janos Bolyai Postdoctoral Fellowship
Egyéb
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4.

001-es BibID:BIBFORM038499
035-os BibID:PMID:22300579
Első szerző:Csősz Éva (biokémikus, molekuláris biológus)
Cím:Quantitative analysis of proteins in the tear fluid of patients with diabetic retinopathy / Csősz Éva, Boross Péter, Csutak Adrienne, Berta András, Tóth Ferenc, Póliska Szilárd, Török Zsolt, Tőzsér József
Dátum:2012
ISSN:1874-3919
Megjegyzések:Diabetic retinopathy is the leading cause of new cases of legal blindness among adults in the developed countries. Approximately 40% of all people with diabetes have diabetic retinopathy and 5% of these have sight-threatening form. As the advanced stage, where there is a high risk for vision loss, can develop without any serious symptoms, sometimes it is hard to detect it. A non invasive method to detect biomarkers characteristic for diabetic retinopathy from the tear fluid was developed. Tear samples from diabetic patients with no retinopathy, non proliferative and proliferative stages of diabetic retinopathy were analyzed and the protein content of each sample was compared to the protein content of tear pool from healthy volunteers. The samples were labeled with iTRAQ fourplex labels and were analyzed with nanoHPLC coupled ESI-MS/MS mass spectrometry. The lipocalin 1, lactotransferrin, lacritin, lysozyme C, lipophilin A and immunoglobulin lambda chain were identified as possible biomarker candidates with significantly higher relative levels in the tear of patients with diabetic retinopathy.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Journal of Proteomics. - 75 : 7 (2012), p. 2196-2204. -
További szerzők:Boross Péter (1972-) (biokémikus, vegyész) Csutak Adrienne (1971-) (szemész) Berta András (1955-) (szemész, gyermekszemész) Tóth Ferenc (1980-) (molekuláris biológus) Póliska Szilárd (1978-) (biológus) Török Zsolt (1975-) (orvos) Tőzsér József (1959-) (molekuláris biológus, biokémikus, vegyész)
Pályázati támogatás:K 101591
OTKA
EA_SPIN_06-DIABDIAG
EGYÉB
KMA 0149/3.0
EGYÉB
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5.

001-es BibID:BIBFORM092901
035-os BibID:(WoS)000518794300002 (Scopus)85076683169
Első szerző:De Leoz, Maria Lorna A.
Cím:NIST Interlaboratory Study on Glycosylation Analysis of Monoclonal Antibodies: Comparison of Results from Diverse Analytical Methods / Maria Lorna A. De Leoz, David L. Duewer, Adam Fung, Lily Liu, Hoi Kei Yau, Oscar Potter, Gregory O. Staples, Kenichiro Furuki, Ruth Frenkel, Yunli Hu, Zoran Sosic, Peiqing Zhang, Friedrich Altmann, Clemens Grunwald-Grube, Chun Shao, Joseph Zaia, Waltraud Evers, Stuart Pengelley, Detlev Suckau, Anja Wiechmann, Anja Resemann, Wolfgang Jabs, Alain Beck, John W. Froehlich, Chuncui Huang, Yan Li, Yaming Liu, Shiwei Sun, Yaojun Wang, Youngsuk Seo, Hyun Joo An, Niels-Christian Reichardt, Juan Echevarria Ruiz, Stephanie Archer-Hartmann, Parastoo Azadi, Len Bell, Zsuzsanna Lakos, Yanming An, John F. Cipollo, Maja Pucic-Bakovic, Jerko Štambuk, Gordan Lauc, Xu Li, Peng George Wang, Andreas Bock, René Hennig, Erdmann Rapp, Marybeth Creskey, Terry D. Cyr, Miyako Nakano, Taiki Sugiyama, Pui-King Amy Leung, Paweł Link-Lenczowski, Jolanta Jaworek, Shuang Yang, Hui Zhang, Tim Kelly, Song Klapoetke, Rui Cao, Jin Young Kim, Hyun Kyoung Lee, Ju Yeon Lee, Jong Shin Yoo, Sa-Rang Kim, Soo-Kyung Suh, Noortje de Haan, David Falck, Guinevere S. M. Lageveen-Kammeijer, Manfred Wuhrer, Robert J. Emery, Radoslaw P. Kozak, Li Phing Liew, Louise Royle, Paulina A. Urbanowicz, Nicolle H. Packer, Xiaomin Song, Arun Everest-Dass, Erika Lattová, Samanta Cajic, Kathirvel Alagesan, Daniel Kolarich, Toyin Kasali, Viv Lindo, Yuetian Chen, Kudrat Goswami, Brian Gau, Ravi Amunugama, Richard Jones, Corné J. M. Stroop, Koichi Kato, Hirokazu Yagi, Sachiko Kondo, C. T. Yuen, Akira Harazono, Xiaofeng Shi, Paula E. Magnelli, Brian T. Kasper, Lara Mahal, David J. Harvey, Roisin O'Flaherty, Pauline M. Rudd, Radka Saldova, Elizabeth S. Hecht, David C. Muddiman, Jichao Kang, Prachi Bhoskar, Daniele Menard, Andrew Saati, Christine Merle, Steven Mast, Sam Tep, Jennie Truong, Takashi Nishikaze, Sadanori Sekiya, Aaron Shafer, Sohei Funaoka, Masaaki Toyoda, Peter de Vreugd, Cassie Caron, Pralima Pradhan, Niclas Chiang Tan, Yehia Mechref, Sachin Patil, Jeffrey S. Rohrer, Ranjan Chakrabarti, Disha Dadke, Mohammedazam Lahori, Chunxia Zou, Christopher Cairo, Béla Reiz, Randy M. Whittal, Carlito B. Lebrilla, Lauren Wu, Andras Guttman, Marton Szigeti, Benjamin G. Kremkow, Kelvin H. Lee, Carina Sihlbom, Barbara Adamczyk, Chunsheng Jin, Niclas G. Karlsson, Jessica Örnros, Göran Larson, Jonas Nilsson, Bernd Meyer, Alena Wiegandt, Emy Komatsu, Helene Perreault, Edward D. Bodnar, Nassur Said, Yannis-Nicolas Francois, Emmanuelle Leize-Wagner, Sandra Maier, Anne Zeck, Albert J. R. Heck, Yang Yang, Rob Haselberg, Ying Qing Yu, William Alley, Joseph W. Leone, Hua Yuan, Stephen E. Stein
Dátum:2020
ISSN:1535-9476
Megjegyzések:Glycosylation is a topic of intense current interest in the development of biopharmaceuticals because it is related to drug safety and efficacy. This work describes results of an interlaboratory study on the glycosylation of the Primary Sample (PS) of NISTmAb, a monoclonal antibody reference material. Seventy-six laboratories from industry, university, research, government, and hospital sectors in Europe, North America, Asia, and Australia submitted a total of 103 reports on glycan distributions. The principal objective of this study was to report and compare results for the full range of analytical methods presently used in the glycosylation analysis of mAbs. Therefore, participation was unrestricted, with laboratories choosing their own measurement techniques. Protein glycosylation was determined in various ways, including at the level of intact mAb, protein fragments, glycopeptides, or released glycans, using a wide variety of methods for derivatization, separation, identification, and quantification. Consequently, the diversity of results was enormous, with the number of glycan compositions identified by each laboratory ranging from 4 to 48. In total, one hundred sixteen glycan compositions were reported, of which 57 compositions could be assigned consensus abundance values. These consensus medians provide community-derived values for NISTmAb PS. Agreement with the consensus medians did not depend on the specific method or laboratory type. The study provides a view of the current state-of-the-art for biologic glycosylation measurement and suggests a clear need for harmonization of glycosylation analysis methods.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Molecular & Cellular Proteomics. - 19 : 1 (2020), p. 11-30. -
További szerzők:Duewer, David L. Fung, Adam Liu, Lily Yau, Hoi Kei Potter, Oscar Staples, Gregory O. Furuki, Kenichiro Frenkel, Ruth Hu, Yunli Sosic, Zoran Zhang, Peiqing Altmann, Friedrich Grunwald-Grube, Clemens Shao, Chun Zaia, Joseph Evers, Waltraud Pengelley, Stuart Suckau, Detlev Wiechmann, Anja Resemann, Anja Jabs, Wolfgang Beck, Alain Froehlich, John W. Huang, Chuncui Li, Yan Liu, Yaming Sun, Shiwei Wang, Yaojun Seo, Youngsuk An, Hyun Joo Reichardt, Niels-Christian Ruiz, Juan Echevarria Archer-Hartmann, Stephanie Azadi, Parastoo Bell, Len Lakos Zsuzsanna An, Yanming Cipollo, John F. Pucic-Bakovic, Maja Stambuk, Jerko Lauc, Gordan Li, Xu Wang, Peng George Bock, Andreas Hennig, René Rapp, Erdmann Creskey, Marybeth Cyr, Terry D. Nakano, Miyako Sugiyama, Taiki Leung, Pui-King Link-Lenczowski, Paweł Jaworek, Jolanta Yang, Shuang Zhang, Hui Kelly, Tim Klapoetke, Song Cao, Rui Kim, Jiyoung Lee, Hyun Kyoung Lee, Ju Yeon Yoo, Jong Shin Kim, Sa-Rang Suh, Soo-Kyung de Haan, Noortje Falck, David Lageveen-Kammeijer, Guinevere S. M. Wuhrer, Manfred Emery, Robert J. Kozak, Radoslaw P. Liew, Li Phing Royle, Louise Urbanowicz, Paulina A. Packer, Nicolle Song, Xiaomin Everest-Dass, Arun Lattová, Erika Cajic, Samanta Alagesan, Kathirvel Kolarich, Daniel Kasali, Toyin Lindo, Viv Chen, Yuetian Goswami, Kudrat Gau, Brian Amunugama, Ravi Jones, Richard Stroop, Corné J. M. Kato, Koichi Yagi, Hirokazu Kondo, Sachiko Yuen, C. T. Harazono, Akira Shi, Xiaofeng Magnelli, Paula E. Kasper, Brian T. Mahal, Lara Harvey, David J. O'Flaherty, Roisin Rudd, Pauline M. Saldova, Radka Hecht, Elizabeth S. Muddiman, David C. Kang, Jichao Bhoskar, Prachi Menard, Daniele Saati, Andrew Merle, Christine Mast, Steven Tep, Sam Truong, Jennie Nishikaze, Takashi Sekiya, Sadanori Shafer, Aaron Funaoka, Sohei Toyoda, Masaaki de Vreugd, Peter Caron, Cassie Pradhan, Pralima Tan, Niclas Chiang Mechref, Yehia Patil, Sachin Rohrer, Jeffrey S. Chakrabarti, Ranjan Dadke, Disha Lahori, Mohammedazam Zou, Chunxia Cairo, Christopher Reiz, Béla Whittal, Randy M. Lebrilla, Carlito B. Wu, Lauren Guttman András (1954-) (vegyészmérnök) Szigeti Márton (1986-) (környezetmérnök) Kremkow, Benjamin G. Lee, Kelvin H. Sihlbom, Carina Adamczyk, Barbara Jin, Chunsheng Karlsson, Niclas G. Örnros, Jessica Larson, Göran Nilsson, Jonas Meyer, Bernd Wiegandt, Alena Komatsu, Emy Perreault, Helene Bodnar, Edward D. Said, Nassur Francois, Yannis-Nicolas Leize-Wagner, Emmanuelle Maier, Sandra Zeck, Anne Heck, Albert J. R. Yang, Yang Haselberg, Rob Yu, Ying Qing Alley, William Leone, Joseph W. Yuan, Hua Stein, Stephen E.
Pályázati támogatás:NKFIH-K 116263
NKFIH
GINOP-2.3.2- 15-2016-00017
GINOP
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6.

001-es BibID:BIBFORM114859
035-os BibID:(cikkazonosító)140952 (scopus)85170288156
Első szerző:Elnahriry, Khaled A.
Cím:Structural and functional characterisation of Tst2, a novel TRPV1 inhibitory peptide from the Australian sea anemone Telmatactis stephensoni / Elnahriry Khaled A., Wai Dorothy C. C., Ashwood Lauren M., Naseem Muhammad Umair, Szanto Tibor G., Guo Shaodong, Panyi Gyorgy, Prentis Peter J., Norton Raymond S.
Dátum:2024
ISSN:1570-9639
Megjegyzések:Sea anemone venoms are complex mixtures of biologically active compounds, including disulfide-rich peptides, some of which have found applications as research tools, and others as therapeutic leads. Our recent transcriptomic and proteomic studies of the Australian sea anemone Telmatactis stephensoni identified a transcript for a peptide designated Tst2. Tst2 is a 38-residue peptide showing sequence similarity to peptide toxins known to interact with a range of ion channels (NaV, TRPV1, KV and CaV). Recombinant Tst2 (rTst2, which contains an additional Gly at the N-terminus) was produced by periplasmic expression in Escherichia coli, enabling the production of both unlabelled and uniformly 13C,15N?labelled peptide for functional assays and structural studies. The LC-MS profile of the recombinant Tst2 showed a pure peak with molecular mass 6 Da less than that of the reduced form of the peptide, indicating the successful formation of three disulfide bonds from its six cysteine residues. The solution structure of rTst2 was determined using multidimensional NMR spectroscopy and revealed that rTst2 adopts an inhibitor cystine knot (ICK) structure. rTst2 was screened using various functional assays, including patch?clamp electrophysiological and cytotoxicity assays. rTst2 was inactive against voltagegated sodium channels (NaV) and the human voltage-gated proton (hHv1) channel. rTst2 also did not possess cytotoxic activity when assessed against Drosophila melanogaster flies. However, the recombinant peptide at 100 nM showed >50% inhibition of the transient receptor potential subfamily V member 1 (TRPV1) and slight (~10%) inhibition of transient receptor potential subfamily A member 1 (TRPA1). Tst2 is thus a novel ICK inhibitor of the TRPV1 channel.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Sea anemone
Disulfide-rich peptides
Recombinant expression
NMR spectroscopy
ICK scaffold
TRPV1 channel
Megjelenés:Biochimica et Biophysica Acta (BBA). Proteins and Proteomics. - 1872 : 1 (2024), p. 1-13. -
További szerzők:Wai, Dorothy C. C. Ashwood, Lauren M. Naseem, Muhammad Umair (1993-) (biofizikus, molekuláris biológus) Szántó Gábor Tibor (1980-) (vegyész) Guo, Shaodong Panyi György (1966-) (biofizikus) Prentis, Peter Norton, Raymond S.
Pályázati támogatás:K143071
OTKA
Stipendium Hungaricum Scholarship from the Tempus Public Foundation
Egyéb
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Intézményi repozitóriumban (DEA) tárolt változat
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7.

001-es BibID:BIBFORM003460
Első szerző:Gombos Katalin
Cím:Characterization of microarray gene expression profiles of early stage thyroid tumours / Katalin Gombos, Eszter Szele, István Kiss, Timea Varjas, László Puskás, László Kozma, Ferenc Juhász, Erik Kovács, István Szanyi, István Ember
Dátum:2007
Megjegyzések:Microarray analysis offers the opportunity of screen ing transcriptional expression ptofile of neoplastic celis on a genomic level. Defining consistent changes in gene expression patrem of tumours enables the deiection of genes essential for tumorigenesis and might provide biomarkers to early recognition of malignant behaviourand new therapeutical targets. Patients and Methods: A high-density oligonucleotide wray with 20,000 human gene-specific oligonucleotide was used to analyze benign and earlYcstage malignant thyroid tumours of epithelial origin: folliatlar adenoma, foliicular carcinoma and papillary carcinoma, compw'ed to normal thyroid tissue. Results: Significant expression dijferences of 279 genes - underexpression of 252 and overexpression of 27 gen es - were found. The overlappinggenes of the different histological types were examined extenSively. Among thesegenes a limited set acting on the same transcriptional path way. through NF-KB; were found. Conc1usion: The role of overlapping genes in histologicaliy different tumours has not been c1arified, but might represent early or pivotaf steps of carcinogenesis. Ali investigated histiotypes of tumourscontciined signijicantly modulated genes acting on the NE-KB regulatOlY pathway. Our findings suggest that modulation of NF-KB signcMling plays a cn/cial role in early thyroid carcínogenesis.
Tárgyszavak:Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
gene expression profiling
thyroid tumour
follicular adenoma
follicular carcinoma
papillary carcinoma
microarray
Megjelenés:Cancer Genomics and Proteomics. - 4 : 6 (2007), p. 403-410. -
További szerzők:Szele Eszter Kiss István (orvos) Varjas Tímea Puskás László Kozma László (orvos) Kovács Erik Szanyi István Ember István Juhász Ferenc (1952-) (sebész)
Internet cím:elektronikus változat
Borító:

8.

001-es BibID:BIBFORM023718
035-os BibID:(cikkazonosító)M111.010298 (WoS)000298290300017 (Scopus)83055168546
Első szerző:Guergova-Kuras, Mariana
Cím:Discovery of lung cancer biomarkers by profiling the plasma proteome with monoclonal antibody libraries / Mariana Guergova-Kuras, István Kurucz, William Hempel, Nadege Tardieu, János Kádas, Carole Malderez-Bloes, Anne Jullien, Yann Kieffer, Marina Hincapie, András Guttman, Eszter Csánky, Balázs Dezső, Barry L. Karger, László Takács
Dátum:2011
ISSN:1535-9476 1535-9484
Megjegyzések:A challenge in the treatment of lung cancer is the lack of early diagnostics. Here, we describe the application of monoclonal antibody (mAb) proteomics for discovery of a panel of biomarkers for early detection (stage I) of non small cell lung cancer (NSCLC). We produced large monoclonal antibody libraries directed against the natural form of protein antigens present in the plasma of NSCLC patients. Plasma biomarkers associated with the presence of lung cancer were detected via high throughput ELISA. Differential profiling of plasma proteomes of four clinical cohorts, totalling 301 patients with lung cancer and 235 healthy controls, identified 13 lung cancer associated (p<0.05) monoclonal antibodies. The mAbs recognize five different cognate proteins identified using immunoprecipitation followed by mass spectrometry. Four of the five antigens were present in non-small cell lung cancer cells in-situ. The approach is capable of generating independent antibodies against different epitopes of the same proteins, allowing fast translation to multiplexed sandwich assays. Based on these results, we have verified in two independent clinical collections a panel of five biomarkers for classifying patient disease status with a diagnostics performance of 77% sensitivity and 87% specificity. Combining CYFRA, an established cancer marker, with the panel resulted in a performance of 83 % sensitivity at 95 % specificity for stage I NSCLC.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Molecular and Cellular Proteomics. - 10 : 12 (2011), p. 1-14. -
További szerzők:Kurucz István Hempel, William Tardieu, Nadège Kádas János (1976-) (molekuláris biológus, biokémikus, kertészmérnök) Malderez-Bloes, Carole Jullien, Anne Kieffer, Yann Hincapie, Marina Guttman András (1954-) (vegyészmérnök) Csánky Eszter (1959-) (tüdőgyógyász, klinikai immunológus, allergológus) Karger, Barry Takács László (1955-) Dezső Balázs (1951-) (pathológus)
Internet cím:Intézményi repozitóriumban (DEA) tárolt változat
DOI
Borító:

9.

001-es BibID:BIBFORM003891
Első szerző:Gyémánt Gyöngyi (vegyész)
Cím:Evidence for pentagalloyl glucose binding to human salivary α-amylase through aromatic amino acid residues / Gyöngyi Gyémánt, Ágnes Zajácz, Bálint Bécsi, Chandran Ragunath, Narayanan Ramasubbu, Ferenc Erdődi, Gyula Batta, Lili Kandra
Dátum:2009
ISSN:1570-9639
Megjegyzések:We demonstrate here that pentagalloyl glucose (PGG), a main component of gallotannins, was an effective inhibitor of HSA and it exerted similar inhibitory potency to Aleppo tannin used in this study. The inhibition of HSA by PGG was found to be non-competitive and inhibitory constants of KEI = 2.6 ?M and KESI = 3.9 ?M were determined from Lineweaver-Burk secondary plots. PGG as a model compound for gallotannins was selected to study the inhibitory mechanism and to characterize the interaction of HSA with this type of molecules. Surface plasmon resonance (SPR) binding experiments confirmed the direct interaction of HSA and PGG, and it also established similar binding of Aleppo tannin to HSA. Saturation transfer difference (STD) experiment by NMR clearly demonstrated the aromatic rings of PGG may be involved in the interaction suggesting a possible stacking with the aromatic side chains of HSA. The role of aromatic amino acids of HSA in PGG binding was reinforced by kinetic studies with the W58L and Y151M mutants of HSA: the replacement of the active site aromatic amino acids with aliphatic ones decreased the PGG inhibition dramatically, which justified the importance of these residues in the interaction.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Molekulatudomány
pentagalloyl glucose
human salivary alpha-amylase inhibition
surface plasmon resonance
saturation transfer difference
NMR
Megjelenés:Biochimica et Biophysica Acta (BBA). Proteins and Proteomics. - 1794 : 2 (2009), p. 291-296. -
További szerzők:Zajácz Ágnes Bécsi Bálint (1981-) (vegyészmérnök) Ragunath, Chandran Ramasubbu, Narayanan Erdődi Ferenc (1953-) (biokémikus) Batta Gyula (1953-) (molekula-szerkezet kutató) Kandra Lili (1943-) (biokémikus)
Pályázati támogatás:TÁMOP-4.2.2-08/1-2008-0019
TÁMOP
Internet cím:Intézményi repozitóriumban (DEA) tárolt változat
DOI
Szerző által megadott URL
Borító:

10.

001-es BibID:BIBFORM009630
Első szerző:Hádáné Birkó Zsuzsanna (molekuláris genetikus)
Cím:Lack of A-factor production induces the expression of nutrient scavenging and stress-related proteins in Streptomyces griseus / Birkó Zsuzsanna, Swiatek Magdalena, Szájli Emília, Medzihradszky F. Katalin, Vijgenboom Erik, Penyige András, Keserű Judit, van Wezel Gilles P., Biró Sándor
Dátum:2009
ISSN:1535-9476 (Print)
Megjegyzések:The small gamma-butyrolactone A-factor is an important autoregulatory signaling molecule for the soil-inhabiting streptomycetes. Starvation is a major trigger for development,and nutrients are provided by degradation of the vegetative mycelium via a process of programmed cell death, reusing proteins, nucleic acids, and cell wall material. The A-factor regulon includes many extracellular hydrolases. Here we show via proteomics analysis that many nutrientscavenging and stress-related proteins were overexpressed in an A-factor non-producing mutant of Streptomyces griseus B-2682. Transcript analysis showed that this is primarily due to differential transcription of the target genes during early development. The targets include proteins relating to nutrient stress and environmental stress and an orthologue of the Bacillus sporulation control protein Spo0M. The enhanced expression of these proteins underlines the stress that is generated by the absence of A-factor. Wild-type developmental gene expression was restored to the A-factor non-producing mutant by the signaling protein Factor C in line with our earlier observation that Factor C triggers A-factor production.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
C-faktor
Streptomyces griseus
proteomika
Megjelenés:Molecular and Cellular Proteomics : MCP - 8 : 10 (2009), p. 2396-2403. -
További szerzők:Swiatek, Magdalena Szájli Emília Medzihradszky-Fölkl Katalin Vijgenboom, Erik Penyige András (1954-) (molekuláris genetikus) Keserű Judit (1976-) (molekuláris genetikus) Wezel, Gilles P., van Biró Sándor (1949-) (molekuláris genetikus)
Internet cím:Szerző által megadott URL
DOI
elektronikus változat
Borító:

11.

001-es BibID:BIBFORM001540
Első szerző:Hádáné Birkó Zsuzsanna (molekuláris genetikus)
Cím:The secreted signaling protein factor C triggers the A-factor response regulon in streptomyces griseus : overlapping signaling routes / Birkó Z., Bialek S., Buzás K., Szájli E., Traag B. A., Medzihradszky K. F., Rigali S., Vijgenboom E., Penyige A., Kele Z., van Wezel G. P., Bíró S.
Dátum:2007
Megjegyzések:Members of the prokaryotic genus Streptomyces produce over 60% of all known antibiotics and a wide range of industrial enzymes. A leading theme in microbiology is which signals are received and transmitted by these organisms to trigger the onset of morphological differentiation and antibiotic production. The small -butyrolactone A-factor is an important autoregulatory signaling molecule in streptomycetes, and A-factor mutants are blocked in development and antibiotic production. In this study we showed that heterologous expression of the 324-amino acid secreted regulatory protein Factor C resulted in restoration of development and enhanced antibiotic production of an A-factor-deficient bald mutant of Streptomyces griseus, although the parental strain lacks an facC gene. Proteome analysis showed that in the facC transformant the production of several secreted proteins that belong to the A-factor regulon was restored. HPLC-MS/MS analysis indicated that this was due to restoration of A-factor production to wild-type levels in the transformant. This indicates a connection between two highly divergent types of signaling molecules and possible interplay between their regulatory networks.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
Streptomyces szignalizáció
Megjelenés:Molecular and Cellular Proteomics : MCP - 6 : 7 (2007), p. 1248-1256. -
További szerzők:Bialek, Sylwia Buzás Krisztina Szájli Emília Traag, Bjorn A. Medzihradszky-Fölkl Katalin Rigali, Sebastien Vijgenboom, Erik Kele Zoltán Wezel, Gilles P., van Biró Sándor (1949-) (molekuláris genetikus) Penyige András (1954-) (molekuláris genetikus)
Internet cím:elektronikus változat
DOI
elektronikus változat
Borító:

12.

001-es BibID:BIBFORM071223
Első szerző:Kecskeméti Ádám (vegyész)
Cím:The application of a microfluidic reactor including spontaneously adsorbed trypsin for rapid protein digestion of human tear samples / Kecskemeti Adam, Nagy Cynthia, Csosz Eva, Kallo Gergo, Gaspar Attila
Dátum:2017
ISSN:1862-8346 1862-8354
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Proteomics Clinical Applications. - 11 : 11-12 (2017), p. 1-9. -
További szerzők:Nagy Cynthia (1994-) Csősz Éva (1977-) (biokémikus, molekuláris biológus) Kalló Gergő (1989-) (molekuláris biológus) Gáspár Attila (1970-) (vegyész, kémikus)
Pályázati támogatás:GlNOP-2.3.3-15-2016-00004
GINOP
GINOP-2.3.2-15-2016-00008
GINOP
Internet cím:Szerző által megadott URL
DOI
Intézményi repozitóriumban (DEA) tárolt változat
Borító:
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