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  1. Article: Polymorphism of histone H1.c’ in the population of Muscovy duck (Cairina moschata L.): a link between histone H1.c’ allelic variants and ADP-ribosylation of histone H1 subtypes

    Kowalski, Andrzej

    The European zoological journal. 2021 Jan. 01, v. 88, no. 1

    2021  

    Abstract: ... to Hardy–Weinberg assumptions (p < 0.05). The total population differentiation (δ = 0.5) and polymorphism ...

    Abstract In this work, a polymorphic variability of Muscovy duck histone H1.c’ is presented along with a link of its allelic variants with an extent of ADP (Adenosine Diphosphate)-ribosylation of histone H1 non-allelic subtypes. With the use of a two-dimensional electrophoretic system, histone H1.c’ was identified as differentiated into the variously charged isoforms H1.c’1 and H1.c’2. In the population studied, they occur in the form of homozygous phenotype c’1 (frequency 0.384) and c’2 (frequency 0.288) as well as the heterozygous phenotype c’1c’2 (frequency 0.326). Because fewer heterozygotes were observed (0.326) than expected (0.496), the duck population is under inbreeding (F = 0.342, HI = 0.325) and does not conform to Hardy–Weinberg assumptions (p < 0.05). The total population differentiation (δ = 0.5) and polymorphism information content (PIC = 0.496) show that about half the bird individuals are genetically different in an intermediate diverse population. Because an array of Muscovy duck H1 histones is enriched by the complex LHL (Linker Histone Like), which is a conjugate of histone H1 subtypes with ADP-ribose, its juxtaposition with histone H1.c’ allelic variants was examined. This was to uncover a correlation of the phenotype c’2 and c’1c’2 with low intensity of modification (mean LHL density = 316284.9 ± 47776.7) and the relation of the phenotype c’1 to high modification (LHL density = 1380419.6 ± 116471.3). A disparity of more than 4 times in the abundance of ADP–ribose linkage indicates a histone H1.c’ phenotype-specific association with the level of ADP-ribosylation. It seems that such a difference between histone H1.c’ allelic variants might be related to their individual participation in the determination of histone H1 subtype modification status. With respect to this, allelic variants of histone H1.c’ may variously influence the ADP-ribosylation reaction, presumably by differentiated stimulation of the enzymes catalysing the histone H1-ADP-ribose linkage.
    Keywords Cairina moschata ; adenosine diphosphate ; ducks ; electrophoresis ; heterozygosity ; histones ; homozygosity ; phenotype
    Language English
    Dates of publication 2021-0101
    Size p. 649-658.
    Publishing place Taylor & Francis
    Document type Article
    ISSN 2475-0263
    DOI 10.1080/24750263.2021.1912200
    Database NAL-Catalogue (AGRICOLA)

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  2. Article ; Online: Polymorphism of histone H1.c’ in the population of Muscovy duck (Cairina moschata L.)

    Andrzej Kowalski

    The European Zoological Journal, Vol 88, Iss 1, Pp 649-

    a link between histone H1.c’ allelic variants and ADP-ribosylation of histone H1 subtypes

    2021  Volume 658

    Abstract: ... to Hardy–Weinberg assumptions (p < 0.05). The total population differentiation (δ = 0.5) and polymorphism ...

    Abstract In this work, a polymorphic variability of Muscovy duck histone H1.c’ is presented along with a link of its allelic variants with an extent of ADP (Adenosine Diphosphate)-ribosylation of histone H1 non-allelic subtypes. With the use of a two-dimensional electrophoretic system, histone H1.c’ was identified as differentiated into the variously charged isoforms H1.c’1 and H1.c’2. In the population studied, they occur in the form of homozygous phenotype c’1 (frequency 0.384) and c’2 (frequency 0.288) as well as the heterozygous phenotype c’1c’2 (frequency 0.326). Because fewer heterozygotes were observed (0.326) than expected (0.496), the duck population is under inbreeding (F = 0.342, HI = 0.325) and does not conform to Hardy–Weinberg assumptions (p < 0.05). The total population differentiation (δ = 0.5) and polymorphism information content (PIC = 0.496) show that about half the bird individuals are genetically different in an intermediate diverse population. Because an array of Muscovy duck H1 histones is enriched by the complex LHL (Linker Histone Like), which is a conjugate of histone H1 subtypes with ADP-ribose, its juxtaposition with histone H1.c’ allelic variants was examined. This was to uncover a correlation of the phenotype c’2 and c’1c’2 with low intensity of modification (mean LHL density = 316284.9 ± 47776.7) and the relation of the phenotype c’1 to high modification (LHL density = 1380419.6 ± 116471.3). A disparity of more than 4 times in the abundance of ADP–ribose linkage indicates a histone H1.c’ phenotype-specific association with the level of ADP-ribosylation. It seems that such a difference between histone H1.c’ allelic variants might be related to their individual participation in the determination of histone H1 subtype modification status. With respect to this, allelic variants of histone H1.c’ may variously influence the ADP-ribosylation reaction, presumably by differentiated stimulation of the enzymes catalysing the histone H1-ADP-ribose linkage.
    Keywords adp-ribosylation ; histone h1 ; histone h1.c’ ; inbreed ; muscovy duck ; polymorphism ; Zoology ; QL1-991
    Subject code 616
    Language English
    Publishing date 2021-01-01T00:00:00Z
    Publisher Taylor & Francis Group
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article: Proteins from toad's parotoid macroglands: do they play a role in gland functioning and chemical defence?

    Kowalski, Krzysztof / Marciniak, Paweł / Rychlik, Leszek

    Frontiers in zoology

    2023  Volume 20, Issue 1, Page(s) 21

    Abstract: Background: Parotoid gland secretion of bufonid toads is a rich source of toxic molecules that are used against predators, parasites and pathogens. Bufadienolides and biogenic amines are the principal compounds responsible for toxicity of parotoid ... ...

    Abstract Background: Parotoid gland secretion of bufonid toads is a rich source of toxic molecules that are used against predators, parasites and pathogens. Bufadienolides and biogenic amines are the principal compounds responsible for toxicity of parotoid secretion. Many toxicological and pharmacological analyses of parotoid secretions have been performed, but little is known about the processes related to poison production and secretion. Therefore, our aim was to investigate protein content in parotoids of the common toad, Bufo bufo, to understand the processes that regulate synthesis and excretion of toxins as well as functioning of parotoid macroglands.
    Results: Applying a proteomic approach we identified 162 proteins in the extract from toad's parotoids that were classified into 11 categories of biological functions. One-third (34.6%) of the identified molecules, including acyl-CoA-binding protein, actin, catalase, calmodulin, and enolases, were involved in cell metabolism. We found many proteins related to cell division and cell cycle regulation (12.0%; e.g. histone and tubulin), cell structure maintenance (8.4%; e.g. thymosin beta-4, tubulin), intra- and extracellular transport (8.4%), cell aging and apoptosis (7.3%; e.g. catalase and pyruvate kinase) as well as immune (7.0%; e.g. interleukin-24 and UV excision repair protein) and stress (6.3%; including heat shock proteins, peroxiredoxin-6 and superoxide dismutase) response. We also identified two proteins, phosphomevalonate kinase and isopentenyl-diphosphate delta-isomerase 1, that are involved in synthesis of cholesterol which is a precursor for bufadienolides biosynthesis. STRING protein-protein interaction network predicted for identified proteins showed that most proteins are related to metabolic processes, particularly glycolysis, stress response and DNA repair and replication. The results of GO enrichment and KEGG analyses are also consistent with these findings.
    Conclusion: This finding indicates that cholesterol may be synthesized in parotoids, and not only in the liver from which is then transferred through the bloodstream to the parotoid macroglands. Presence of proteins that regulate cell cycle, cell division, aging and apoptosis may indicate a high epithelial cell turnover in parotoids. Proteins protecting skin cells from DNA damage may help to minimize the harmful effects of UV radiation. Thus, our work extends our knowledge with new and important functions of parotoids, major glands involved in the bufonid chemical defence.
    Language English
    Publishing date 2023-06-16
    Publishing country England
    Document type Journal Article
    ZDB-ID 2164409-3
    ISSN 1742-9994
    ISSN 1742-9994
    DOI 10.1186/s12983-023-00499-8
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: A systematic review of performance-based assessment studies on cognitive biases in schizophrenia spectrum psychoses and clinical high-risk states: A summary of 40 years of research.

    Gawęda, Łukasz / Kowalski, Joachim / Aleksandrowicz, Adrianna / Bagrowska, Paulina / Dąbkowska, Małgorzata / Pionke-Ubych, Renata

    Clinical psychology review

    2024  Volume 108, Page(s) 102391

    Abstract: Cognitive models of psychosis have stimulated empirical studies on cognitive biases involved in schizophrenia spectrum psychoses and their symptoms. This systematic review aimed to summarize the studies on the role of cognitive biases as assessed in ... ...

    Abstract Cognitive models of psychosis have stimulated empirical studies on cognitive biases involved in schizophrenia spectrum psychoses and their symptoms. This systematic review aimed to summarize the studies on the role of cognitive biases as assessed in different performance-based tasks in schizophrenia spectrum psychoses and clinical high-risk states. We focused on five cognitive biases linked to psychosis, i.e., aberrant salience, attentional biases, source monitoring biases, jumping to conclusions, and bias against disconfirmatory evidence. We identified N = 324 studies published in N = 308 articles fulfilling inclusion criteria. Most studies have been cross-sectional and confirmed that the schizophrenia spectrum psychoses are related to exaggerated cognitive biases compared to healthy controls. On the contrary, less evidence suggests a higher tendency for cognitive biases in the UHR sample. The only exceptions were source monitoring and jumping to conclusions, which were confirmed to be exaggerated in both clinical groups. Hallucinations and delusions were the most frequent symptoms studied in the context of cognitive biases. Based on the findings, we presented a hypothetical model on the role of interactions between cognitive biases or additive effects of biases in shaping the risk of psychosis. Future research is warranted for further development of cognitive models for psychosis.
    MeSH term(s) Humans ; Schizophrenia ; Cross-Sectional Studies ; Psychotic Disorders/psychology ; Cognition ; Bias
    Language English
    Publishing date 2024-01-14
    Publishing country United States
    Document type Systematic Review ; Journal Article ; Review ; Research Support, Non-U.S. Gov't
    ZDB-ID 604577-7
    ISSN 1873-7811 ; 0272-7358
    ISSN (online) 1873-7811
    ISSN 0272-7358
    DOI 10.1016/j.cpr.2024.102391
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: A decision analysis model for elective neck dissection in patients with cT1-2 cN0 oral squamous cell carcinoma.

    Köhler, H F / Kowalski, L P

    Acta otorhinolaryngologica Italica : organo ufficiale della Societa italiana di otorinolaringologia e chirurgia cervico-facciale

    2019  Volume 39, Issue 6, Page(s) 374–380

    MeSH term(s) Adult ; Aged ; Aged, 80 and over ; Carcinoma, Squamous Cell/pathology ; Carcinoma, Squamous Cell/surgery ; Decision Support Techniques ; Elective Surgical Procedures ; Female ; Humans ; Male ; Middle Aged ; Mouth Neoplasms/pathology ; Mouth Neoplasms/surgery ; Neck Dissection ; Neoplasm Staging ; Retrospective Studies ; Young Adult
    Language English
    Publishing date 2019-03-25
    Publishing country Italy
    Document type Journal Article
    ZDB-ID 604898-5
    ISSN 1827-675X ; 0392-100X
    ISSN (online) 1827-675X
    ISSN 0392-100X
    DOI 10.14639/0392-100X-2101
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Post-retirement enlightenment syndrome: Worthy of investigation.

    McLauchlan, Laura / Kelaita, Paul / Kowalski, Michala / Ritter, Alison

    The International journal on drug policy

    2023  Volume 117, Page(s) 104059

    Abstract: Post-Retirement Enlightenment Syndrome is a term used by some in illicit drug policy to reflect the experience of having politicians "come out" in favour of drug policy reform only after retirement. To date, the phenomenon has not been examined in any ... ...

    Abstract Post-Retirement Enlightenment Syndrome is a term used by some in illicit drug policy to reflect the experience of having politicians "come out" in favour of drug policy reform only after retirement. To date, the phenomenon has not been examined in any systematic manner. While discussions of the phenomenon on social media tend to be playful, they nevertheless express real frustration with the reluctance of privately supportive sitting politicians and policing officials to speak out in favour of non-punitive and/or harm reduction-oriented policies. In this commentary, we give an overview of the phenomenon of Post-Retirement Enlightenment Syndrome. We argue that these instances of sitting officials speaking out publicly in favour of drug policy reform, as well as instances in which such apparent "enlightenment" is not publicly expressed until after retirement, are potentially highly fruitful areas for investigation. Public positions on drug policy are invariably contoured by conditions of political possibility. We raise the call for both an unpacking and examination of the structural and relational aspects of "political will" and "political courage". Sitting and retired politicians each have a role in the drug policy landscape, whether as lawmakers or as high-profile and often respected commentators. This commentary argues that a more nuanced understanding of the conditions that may support or hinder the expression of public support for drug policy reform by political office bearers, whether sitting or former, has implications for advocates and researchers invested in policy change.
    MeSH term(s) Humans ; Retirement ; Politics ; Public Policy ; Illicit Drugs
    Chemical Substances Illicit Drugs
    Language English
    Publishing date 2023-05-15
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 2010000-0
    ISSN 1873-4758 ; 0955-3959
    ISSN (online) 1873-4758
    ISSN 0955-3959
    DOI 10.1016/j.drugpo.2023.104059
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Lidocaine Gel Interferes With the Antibacterial Activity of Povidone-Iodine.

    Odden, Jamie L / Kowalski, Regis P / Friberg, Thomas R

    Ophthalmic surgery, lasers & imaging retina

    2021  Volume 52, Issue S1, Page(s) S13–S16

    Abstract: Background and objective: Retina specialists use lidocaine gel as a topical anesthetic. We determined the antibacterial interaction between povidone-iodine (PI) and lidocaine gel using corneoscleral tissue as a solid phase medium.: Materials and ... ...

    Abstract Background and objective: Retina specialists use lidocaine gel as a topical anesthetic. We determined the antibacterial interaction between povidone-iodine (PI) and lidocaine gel using corneoscleral tissue as a solid phase medium.
    Materials and methods: Five pieces of corneoscleral tissue in five trials were inoculated with 1.000 colony-forming units of bacteria isolated from endophthalmitis. Inoculated corneal tissue were overlaid with nothing (control), lidocaine gel, 5% PI, lidocaine gel over 5% PI, and 5% PI over lidocaine gel for 5 minutes prior to placement in growth liquid medium at 37°C. Growth was monitored for 48 hours.
    Results: Application of lidocaine gel prior to 5% PI application provided for the growth of the five bacterial isolates, whereas 5% PI prior to lidocaine gel prevented growth.
    Conclusion: Using corneoscleral tissue, PI and lidocaine gel appear to have an antagonistic interaction when lidocaine gel is applied initially prior to 5% PI, preventing bactericidal activity of PI.
    MeSH term(s) Anesthetics, Local/pharmacology ; Anti-Bacterial Agents/pharmacology ; Anti-Infective Agents, Local ; Humans ; Lidocaine/pharmacology ; Povidone-Iodine/pharmacology
    Chemical Substances Anesthetics, Local ; Anti-Bacterial Agents ; Anti-Infective Agents, Local ; Povidone-Iodine (85H0HZU99M) ; Lidocaine (98PI200987)
    Language English
    Publishing date 2021-07-01
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 2701167-7
    ISSN 2325-8179 ; 2325-8160
    ISSN (online) 2325-8179
    ISSN 2325-8160
    DOI 10.3928/23258160-20210518-03
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: A new, widespread venomous mammal species: hemolytic activity of Sorex araneus venom is similar to that of Neomys fodiens venom.

    Kowalski, Krzysztof / Marciniak, Paweł / Rychlik, Leszek

    Zoological letters

    2022  Volume 8, Issue 1, Page(s) 7

    Abstract: Background: Venom production has evolved independently many times in the animal kingdom, although it is rare among mammals. Venomous shrews produce toxins in their salivary glands and use their venoms to hunt and store prey. Thus far, the toxicity and ... ...

    Abstract Background: Venom production has evolved independently many times in the animal kingdom, although it is rare among mammals. Venomous shrews produce toxins in their salivary glands and use their venoms to hunt and store prey. Thus far, the toxicity and composition of shrew venoms have been studied only in two shrew species: the northern short-tailed shrew, Blarina brevicauda, and the Eurasian water shrew, Neomys fodiens. Venom of N. fodiens has potent paralytic activity which enables hunting and storing prey in a comatose state. Here, we assayed the hemolytic effects of extracts from salivary glands of N. fodiens and the common shrew, Sorex araneus, in erythrocytes of Pelophylax sp. frogs. We identified toxins in shrew venom by high-performance liquid chromatography coupled to tandem mass spectrometry.
    Results: Our results prove, confirming a suggestion made four centuries ago, that S. araneus is venomous. We also provide the first experimental evidence that shrew venoms produce potent hemolysis in frog erythrocytes. We found significant concentration-dependent effects of venoms of N. fodiens and S. araneus on hemolysis of red blood cells evaluated as hemoglobin release. Treatment of erythrocytes with N. fodiens venom at concentrations of 1.0 and 0.5 mg/ml and with S. araneus venom at concentration of 1.0 mg/ml caused an increased release of hemoglobin. Our findings confirm that hemolytic effects of N. fodiens venom are stronger than those produced by S. araneus venom. We identified four toxins in the venom of N. fodiens: proenkephalin, phospholipase A
    Conclusions: Our results clearly show that shrew venoms possess hemolytic action that may allow them to hunt larger prey. Since a member of the numerous genus Sorex is venomous, it is likely that venom production among shrews and other eulipotyphlans may be more widespread than it has previously been assumed.
    Language English
    Publishing date 2022-06-07
    Publishing country England
    Document type Journal Article
    ZDB-ID 2809936-9
    ISSN 2056-306X
    ISSN 2056-306X
    DOI 10.1186/s40851-022-00191-5
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: A heterogeneity of the pheasant (Phasianus colchicus L.) erythrocyte histone H1 subtype H5.

    Kowalski, Andrzej

    Comptes rendus biologies

    2016  Volume 339, Issue 9-10, Page(s) 357–363

    Abstract: ... migration, two histone H5 phenotypes (H5a and H5b) possessing similar quantitative proportion (P>0.05) were ...

    Abstract In a previous work (Górnicka-Michalska et al. (1998)), an occurrence of genetic variants in the chicken erythrocyte histone H5 has been presented. Here, the pheasant histone H5 heterogeneity is characterized to verify if the interspecies variability of this protein is caused by the analogous determinants. During screening histone H1 preparations isolated from the pheasant erythrocytes, histone H5 was identified as differently located in the electrophoretic gels. According to the rate of electrophoretic migration, two histone H5 phenotypes (H5a and H5b) possessing similar quantitative proportion (P>0.05) were distinguished. A rare phenotype H5a (frequency 0.26) migrating faster in the SDS-PAGE was low mobile in the AU-PAGE, in contrast to the frequent phenotype H5b (frequency 0.74) that moved slowly in the SDS-PAGE and roamed faster in the AU-PAGE. The electrophoretic properties of histone H5 phenotypes may reflect disparities in their net charge and molecular weight. Peptide maps of histone H5 phenotypes, obtained by partial chemical cleavage (NBS) and limited enzymatic digestion (α-chymotrypsin), revealed their C-peptides possessing the same electrophoretic mobility and the N-peptides having variable rate of the electrophoretic migration. Based on this, the identified phenotypic variation seems to be determined by a histone H5 phenotype-specific amino acid sequence region situated in the N-terminal portion of its molecule. According to the identified varied sequence stretches, histone H5 phenotype may induce specific effects related to the organization and/or function of the pheasant chromatin.
    MeSH term(s) Amino Acid Sequence ; Animals ; C-Peptide/blood ; C-Peptide/chemistry ; Chymotrypsin/chemistry ; Electrophoresis, Polyacrylamide Gel ; Erythrocytes/metabolism ; Galliformes/genetics ; Genetic Variation ; Histones/chemistry ; Histones/genetics ; Hydrolysis ; Molecular Weight ; Peptide Mapping
    Chemical Substances C-Peptide ; Histones ; Chymotrypsin (EC 3.4.21.1)
    Language English
    Publishing date 2016-09
    Publishing country France
    Document type Journal Article
    ZDB-ID 2072863-3
    ISSN 1768-3238 ; 1631-0691
    ISSN (online) 1768-3238
    ISSN 1631-0691
    DOI 10.1016/j.crvi.2016.07.001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Experimentally Induced Dieback Conditions Limit

    Bickford, Wesley A / Snow, Danielle S / Smith, McKenzie K H / Kingsley, Kathryn L / White, James F / Kowalski, Kurt P

    Microorganisms

    2023  Volume 11, Issue 3

    Abstract: Phragmites ... ...

    Abstract Phragmites australis
    Language English
    Publishing date 2023-03-02
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2720891-6
    ISSN 2076-2607
    ISSN 2076-2607
    DOI 10.3390/microorganisms11030639
    Database MEDical Literature Analysis and Retrieval System OnLINE

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