Relevant bibliographies by topics / Cholestane

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Cholestane'

Author: Grafiati
Published: 4 June 2021
Last updated: 26 July 2025

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Journal articles on the topic "Cholestane"

1

Arnoštová, Libuše, Ivan Černý, Vladimír Pouzar та Pavel Drašar. "Synthesis of 5α-Cholestane Type Glycoside Sulfates". Collection of Czechoslovak Chemical Communications 58, № 5 (1993): 1180–90. http://dx.doi.org/10.1135/cccc19931180.

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Synthesis of steroid glycoside sulfates sulfated both on the steroid skeleton and in sugar part are presented. Sodium salts of 5α-cholestane-3β,6α-diol 6-β-D-glucoside 3-sulfate V and 3-β-D-glucoside 6-sulfate XI were prepared from 3β-(2-tetrahydropyranyloxy)-5α-cholestan-6α-ol (I) using acetyl and methoxymethyl groups for temporary protection. Sulfation in the sugar part was at first checked in pregnane series and triethylammonium salts of 3β-(β-D-glucopyranosyloxy)pregn-5-en-20-one 6'-sulfate (XXVI) and 4'-sulfate 2',3'-diacetate XXVII were prepared. Application of the method on cholestane d
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2

Al-Hassan, Jassim M., Mohammad Afzal, Sosamma Oommen, Yuan Fang Liu, Meraj Khan, and Cecil Pace-Asciak. "Oxidized Cholesterol Derivatives in Fraction B Prepared from Gulf Catfish (Arius bilineatus, Val.) Skin Regulate Calcium Response and Neutrophil Extracellular Traps (NETs) Formation." Biomedicines 12, no. 7 (2024): 1380. http://dx.doi.org/10.3390/biomedicines12071380.

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In this study, we present in vitro actions of pure commercial preparations of oxidized and/or dehydrated metabolites of cholesterol (OS) identified in the lipid fraction of Fraction B (FB) prepared from a catfish skin preparation on calcium transients and on the formation of human neutrophil extracellular traps (NETs). These investigations are part of an ongoing effort to understand the important roles these compounds play as components of FB when FB is applied to accelerate the healing of wounds and the healing of highly infected non-healing diabetic foot ulcers, without the use of antibiotic
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3

Morzycki, Jacek W., Agnieszka Gryszkiewicz, Zenon Lotowski та Wojciech J. Szczepek. "Reduction of 2-Nitro-5α-cholestan-3-one, Its Enol Tautomer and 2-Nitro-5α-cholest-2-en-3-amine Derivatives. Synthesis of Bis-Steroidal Pyrazines". Collection of Czechoslovak Chemical Communications 63, № 10 (1998): 1589–96. http://dx.doi.org/10.1135/cccc19981589.

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Reduction of 2α-nitro-5α-cholestan-3-one (4), its enol tautomer (3a) and 3-acetylamino-2-nitro-5α-cholest-2-ene (2) was studied. The latter compound was reduced with zinc in acetic acid to 3β-acetylamino-5α-cholestan-2-one (8). The similar reaction of 3a or 4 led to 2α-amino-5α-cholestan-3-one (11a), that may be trapped as N-formyl derivative. When crude 11a was subjected to air oxidation, pyrazino[2',3':2,3;5',6':2,3]bis(5α-cholestane) (9) was obtained.
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4

Starý, Ivo, and Pavel Kočovský. "Synthesis of some allylic acetoxy derivatives in the steroid series." Collection of Czechoslovak Chemical Communications 50, no. 5 (1985): 1227–38. http://dx.doi.org/10.1135/cccc19851227.

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A synthesis is reported of 1,2- and 5,6-unsaturated cholestane derivatives bearing an acetoxy group in allylic position (i.e. 3 and 7) and containing further functional groups. A simple strategy for synthesis of 3α-substituted 5-cholestenes is devised.
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5

Kohout, Ladislav. "7-Oxo-7a-oxa-brassinosteroids with Cholestane Side-Chain." Collection of Czechoslovak Chemical Communications 59, no. 5 (1994): 1219–25. http://dx.doi.org/10.1135/cccc19941219.

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New 7-oxo-7a-oxa analogs of brassinolide with cholestane side-chain were prepared. Analogs VIII and IX with 2,3-diol grouping exhibit a weak brassinolide activity. Of the synthesized compounds, the highest brassinolide activity was found for 3α,4α-dihydroxy-7a-oxa-B-homo-5α-cholestan-7-one (X).
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Pouzar, Vladimír, Pavel Drašar, Ivan Černý та Miroslav Havel. "Preparation and absolute configuration at C(22) of 21,26,27-trinor-5α-cholestan-25→22-olide derivatives". Collection of Czechoslovak Chemical Communications 50, № 4 (1985): 869–77. http://dx.doi.org/10.1135/cccc19850869.

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Epimeric 21,26,27-trinor-5α-cholestan-25→22-olides (X and XVII), 21,26,27-trinor-5α-cholest-23-en-25→22-olides (XV and XXII), and their 23-methyl derivatives XVI and XXIII were prepared by lengthening the side chain in 5α-pregnan-21-al (I). On the basis of CD spectra and chemical correlations with 21,26,27-trinor-5α-cholestane-22,25-diols, the configuration 22S was ascribed to lactones X, XXII and XXIII whereas lactones XV, XVI and XVII were assigned the 22R configuration.
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7

Ngoc, Ninh Thi, Tran Thi Hong Hanh, Nguyen Xuan Cuong, et al. "CHOLESTANE-TYPE STEROIDS FROM THE OCTOCORAL Verrucella corona." Vietnam Journal of Science and Technology 56, no. 4A (2018): 279. http://dx.doi.org/10.15625/2525-2518/56/4a/12754.

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Using various chromatographic separations, three cholestane-type steroids were isolated from the methanol extract of the octocoral Verrucella corona. Their structures were elucidated to be (22E)-cholesta-5,22-dien-3β-ol-7-one (1), trans-liagosterol (2), and guggulsterol-II (3), by detailed analysis of the 1D and 2D-NMR data as well as comparison with those reported. Among them, compound 2 showed significant cytotoxicity against eight human cancer cell lines as HepG2, HL-60, KB, LNCaP, LU-1, MCF7, SK-Mel2, and SW480.
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8

Fricker, G., V. Dubost, K. Finsterwald, and J. L. Boyer. "Characteristics of bile salt uptake into skate hepatocytes." Biochemical Journal 299, no. 3 (1994): 665–70. http://dx.doi.org/10.1042/bj2990665.

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The substrate specificity for the transporter that mediates the hepatic uptake of organic anions in freshly isolated hepatocytes of the elasmobranch little skate (Raja erinacea) was determined for bile salts and bile alcohols. The Na(+)-independent transport system exhibits a substrate specificity, which is different from the specificity of Na(+)-dependent bile salt transport in mammals. Unconjugated and conjugated di- and tri-hydroxylated bile salts inhibit uptake of cholyltaurine and cholate competitively. Inhibition is significantly greater with unconjugated as opposed to glycine- or taurin
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9

Findlay, John A., and Ashok D. Patil. "Novel sterols from the finger sponge Haliclonaoculata." Canadian Journal of Chemistry 63, no. 9 (1985): 2406–10. http://dx.doi.org/10.1139/v85-398.

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From the finger sponge, Haliclonaoculata (Linnaeus), six new polar sterols have been isolated and their structures determined by chemical and spectroscopic means. These are 3β-hydroxy-cholesta-5,25-dien-24-one (2), 3β-hydroxy-24-methylene-5-cholesten-7-one (6), 24-methylene-5-cholesten-3β,7β-diol (9), 24-methylcholesta-5,22-dien-3β,7β-diol (11), 24-methylene-5-cholesten-3β,7α-diol (12), and 5β,6-epoxy-24-methylene-cholestan-3β-ol (16). Also shown to be present are the known monohydroxysterols (22E,24S)-24-methylcholesta-5,22-dien-3β-ol (1), (22Z)-24-norcholesta-5,22-dien-3β-ol, 24-methylene-5-
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10

Coles, Simon J., Christopher S. Frampton та Michael B. Hursthouse. "5α-Cholestane". Acta Crystallographica Section E Structure Reports Online 58, № 4 (2002): o445—o446. http://dx.doi.org/10.1107/s1600536802004786.

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Dissertations / Theses on the topic "Cholestane"

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Upadhyay, Sunil. "Synthesis and Antifungal Evaluation of Spirostane Saponins." ScholarWorks@UNO, 2011. http://scholarworks.uno.edu/td/1414.

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Methods for the preparation of novel antifungal saponins have been investigated in order to further explore their medicinal utility and provide the opportunity to synthesize their derivatives. Through this work, several partially protected stereoisomers of Cholestane, Androstane and Spirostane have been prepared which could be used for the synthesis of various saponin derivatives in order to discover novel saponin based antifungal agent. Various mono and disaccharide derivatives of these steroids have been synthesized and evaluated for their antifungal activity against four pathogenic fungal s
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2

Villadoro, Antoine. "Cholestase au cours du S. I. D. A : à propos de 9 observations." Montpellier 1, 1988. http://www.theses.fr/1988MON11260.

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Borry, Joost. "Stereoselective synthesis of perhydrobenzo[4.5.6]cholestanes." Master's thesis, University of Cape Town, 1992. http://hdl.handle.net/11427/21999.

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An intramolecular Michael-aldol reaction sequence has been developed for the stereocontrolled synthesis of pentacyclic steroids! with the new six-membered ring attached to the C(4) and C(6) positions. Cholesterol was converted into 3β-hydroxycholest-4-en-6-one by standard methods, and the corresponding 3α-isomer was obtained through Mitsunobu inversion. Acetoacetylation of the 3-alcohols afforded the corresponding 3β- and 3α-acetoacetoxycholest-4-en-6-ones, which served as substrates for an investigation of intramolecular condensation routes to the target ring systems. Base treatment of the 3β
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4

Ribeiro-Farrieux, Cristina. "Cholestase et hyperthyroi͏̈die : à propos d'un cas." Montpellier 1, 1999. http://www.theses.fr/1999MON11018.

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Martineau-Costes, Valérie. "Cholestase prolongée au cours du premier mois après transplantation hépatique." Montpellier 1, 1991. http://www.theses.fr/1991MON11078.

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PERIN, LEBOEUF MARIE-ANGE. "Cholestase gravidique recurrente : a propos de 13 observations." Reims, 1990. http://www.theses.fr/1990REIMM017.

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MAHAVORY, FRANCIS. "Cholestase du nourrisson : experience d'un service de pediatrie du chg de charleville-mezieres." Reims, 1994. http://www.theses.fr/1994REIMM066.

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LIU, CHEN KIOW LEE HA. "La cholestase gravidique : risques maternels et foetaux ; 26 observations." Lyon 1, 1994. http://www.theses.fr/1994LYO1M268.

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Gleye, Vincent. "Cholestase anictérique isolée : étiologies et intérêt diagnostique ; étude prospective à propos de 97 cas." Rouen, 1990. http://www.theses.fr/1990ROUE137M.

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ANCEY, PIERRE. "Cholestase gravidique et augmentation des transaminases : a propos de 2 observations, revue de la litterature." Lyon 1, 1988. http://www.theses.fr/1988LYO1M156.

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Books on the topic "Cholestane"

1

Ambrosi, Pierre. Choleste rol. Larousse, 2005.

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2

Ahmad, Viqar Uddin, and Anwer Basha, eds. Spectroscopic Data of Steroid Glycosides: Cholestanes, Ergostanes, Withanolides, Stigmastane. Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-39571-5.

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3

Garbarz, Eric. Cuisine anti-choleste rol: Diabe te, hypertention, surpoids. ESI, 2009.

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4

Gutenberg-Universität, Johannes, ed. Nicht-invasive Diagnostik der Cholestase: Vergleich der differential-diagnostischen Wertigkeit von Sonographie und Enzymbestimmungen. [s.n.], 1985.

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5

Karhoff, Manfred. Histologische, biochemische und histochemische Untersuchungen an der Rattenleber nach Kryonekrose mit und ohne experimentelle extrahepatische Cholestase. [s.n.], 1985.

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6

Köllinger, Michael. Hepatobiliärer Transport von Taurocholat in der Rattenleber, kinetische und histoautoradiographische Untersuchungen am Modell der Chlorpromazin-induzierten intrahepatischen Cholestase. [s.n.], 1987.

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7

Alessandra, Pani, and Dessì Sandra, eds. Cell growth and cholesterol esters. Landes Bioscience, 2004.

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8

Wössner, Ralph. 26,26,26,27,27,27-Hexafluor-5[beta]-cholestan-3[alpha],7[alpha],12[alpha]-triol: Synthese und Eignung für Untersuchungen zum Transport und Stoffwechsel von Gallenalkoholen in Ratten und Rochen. [s.n.], 1994.

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9

Falk, Symposium (86th 1995 Basel Switzerland). Bile acids and immunology: Proceedings of the 86th Falk Symposium (part I of the Basel Liver Week), held in Basel, Switzerland, October 17-18, 1995. Kluwer Academic Publishers, 1996.

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10

Schonlau, Hans-Georg. Arzneimittel-Induzierte Cholestase: Eine elektronenmikroskopische Fallstudie. 1992.

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Book chapters on the topic "Cholestane"

1

Winkelmann, Jochen. "Diffusion coefficient of cis-octadec-9-enoic acid in 5-alpha-cholestane." In Diffusion in Gases, Liquids and Electrolytes. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-54089-3_1114.

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De Lonlay, Pascale, Sandrine Dubois, Vassili Valayannopoulos, Eliane Depondt, Chris Ottolenghi, and Daniel Rabier. "Cholestase." In Prise en charge médicale et diététique des maladies héréditaires du métabolisme. Springer Paris, 2013. http://dx.doi.org/10.1007/978-2-8178-0046-2_32.

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Ballauff, A. "Cholestase." In Pädiatrie. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-76460-1_122.

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Klinge, O. "Cholestase." In Spezielle pathologische Anatomie. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-57036-0_7.

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Burdelski, M. "Cholestase." In Pädiatrie. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-09176-0_121.

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Kathemann, Simone. "Cholestase." In Pädiatrie. Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/978-3-662-60300-0_164.

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Buscher, Hans-Peter. "Cholestase." In Ergebnisse der Inneren Medizin und Kinderheilkunde / Advances in Internal Medicine and Pediatrics. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-71054-4_2.

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Ballauff, Antje. "Cholestase." In Pädiatrie. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41866-2_135.

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Bufler, Philip, Christian Hudert, Claus Petersen, Eva-Doreen Pfister, and Konrad Reinshagen. "Cholestase." In Therapie der Krankheiten im Kindes- und Jugendalter. Springer Berlin Heidelberg, 2024. http://dx.doi.org/10.1007/978-3-662-65248-0_9.

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Melter, Michael, Claus Petersen, and Ekkehard Sturm. "Neonatale Cholestase." In Pädiatrische Gastroenterologie, Hepatologie und Ernährung. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-24710-1_16.

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Conference papers on the topic "Cholestane"

1

Živković, Marijana B., Srđan J. Tufegdžić, Sandra B. Šegan, Neda O. Đorđević, and Dušan Sladić. "IN SILICO DRUG-LIKENESS OF STEROIDAL THIAZOLIDIN-4-ONES." In 8th Workshop Food and Drug Safety and Qualit. Vinča Institute of Nuclear Sciences - National Institute of the Republic of Serbia, 2024. http://dx.doi.org/10.46793/8fdsq.pc7mz.

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In silico assessment of drug-likeness of 15 steroidal mono- and bis-thiazolidinones was performed. Androstrane (1−5) and progesterone types (6) mono-derivatives had no violations of Lipinski’s rule of five, while bis-derivatives had slightly higher molecular masses than 500 Da, and cholestane derivatives (8−9) showed high lipophilicity and Caco-2 permeability. All examined compounds showed great intestinal absorption potential.
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Nytoft, H. P., D. P. Synnott, A. Rudra, et al. "13C Labelled Cholestane as Internal Standard for Quantification of Steranes in Crude Oils and Sediments." In 29th International Meeting on Organic Geochemistry. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201902952.

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Iguchi, T., A. Yokosuka, M. Kuroda, and Y. Mimaki. "Cholestane glycosides from Ornithogalum saundersiae bulbs and their apoptosis-inducing activity via a mitochondria-independent pathway." In GA 2017 – Book of Abstracts. Georg Thieme Verlag KG, 2017. http://dx.doi.org/10.1055/s-0037-1608071.

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"Ungewöhnliche Ursachen einer Cholestase im Kindesalter." In 58. Jahrestagung der Gesellschaft für Pädiatrische Radiologie. Georg Thieme Verlag KG, 2021. http://dx.doi.org/10.1055/s-0041-1732555.

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Hokamp, N. Große, D. Zopfs, S. Lennartz, et al. "Die dislozierte PEG – seltene Differentialdiagnose einer Cholestase." In RÖKO 2023. Georg Thieme Verlag, 2023. http://dx.doi.org/10.1055/s-0043-1763214.

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Zhang-Hagenlocher, C., R. Koschny, P. Michl, and P. Sauer. "Cholestase bei maligner Hilusstenose: Erfahrungen mit simultan entfaltbaren Metallstents." In Viszeralmedizin 2023 77. Jahrestagung der DGVS mit Sektion Endoskopie Herbsttagung der Deutschen Gesellschaft für Allgemein- und Viszeralchirurgie mit den Arbeitsgemeinschaften der DGAV und Jahrestagung der CACP. Georg Thieme Verlag, 2023. http://dx.doi.org/10.1055/s-0043-1772005.

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Masaryk, V., F. Fueldner, and U. Will. "EUS-geführte Enteroanastomosen bei maligner Cholestase und Afferent loop-Syndrom." In Viszeralmedizin 2017. Georg Thieme Verlag KG, 2017. http://dx.doi.org/10.1055/s-0037-1605217.

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Pape, T., T. Von Garrel, A. M. Hunkemöller, et al. "Perkutane transhepatische biliäre Drainage bei Patienten mit Cholestase nach Lebertransplantation." In Viszeralmedizin 2024. Georg Thieme Verlag KG, 2024. http://dx.doi.org/10.1055/s-0044-1790061.

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Netz, L., R. Jaster, J. Reiner, et al. "Störungen der Darmbarrierefunktion bei experimenteller Cholestase: molekulare Mechanismen und Einfluss von Ghrelin." In Viszeralmedizin 2021 Gemeinsame Jahrestagung Deutsche Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS), Sektion Endoskopie der DGVS, Deutsche Gesellschaft für Allgemein und Viszeralchirurgie (DGAV). Georg Thieme Verlag KG, 2021. http://dx.doi.org/10.1055/s-0041-1733540.

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Netz, L., R. Jaster, J. Reiner, et al. "Störungen der Darmbarrierefunktion bei experimenteller Cholestase: molekulare Mechanismen und Einfluss von Ghrelin." In Viszeralmedizin 2021 Gemeinsame Jahrestagung Deutsche Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS), Sektion Endoskopie der DGVS, Deutsche Gesellschaft für Allgemein und Viszeralchirurgie (DGAV). Georg Thieme Verlag KG, 2021. http://dx.doi.org/10.1055/s-0041-1733540.

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