Last edited by Gagis
Tuesday, November 24, 2020 | History

2 edition of Esterases of the rat adenohypophysis. found in the catalog.

Esterases of the rat adenohypophysis.

T. Vanha-Perttula

Esterases of the rat adenohypophysis.

Cellular localization and activity in relation to secretory functions.

by T. Vanha-Perttula

  • 323 Want to read
  • 5 Currently reading

Published in Turku .
Written in English

    Subjects:
  • Pituitary gland.,
  • Esterases.

  • Edition Notes

    Bibliography: p. 91-104.

    SeriesActa physiologica Scandinavica, v. 6. Supplementum, 283
    Classifications
    LC ClassificationsQP188.P58 V3
    The Physical Object
    Pagination104 p.
    Number of Pages104
    ID Numbers
    Open LibraryOL5579912M
    LC Control Number67093876

    The incorporation of [3 H]fucose in the somatotrophic and gonadotrophic cells of the rat adenohypophysis has been studied by electron microscope autoradiography to determine the site of synthesis of glycoproteins and to follow the migration of newly synthesized pituitaries were fixed 5 min, 20 min, 1 h, and 4 h after the in vivo injection of [3 H]fucose and autoradiographs Cited by: Indeed, in the rat, growth of this tissue occurs after hypophysectomy, with an increase in the number and size of functioning gonadotropes. to Second, knowledge of the distribution of cell types in the adenohypophysis makes it possible to predict the sites of small functioning pituitary tumors.


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Esterases of the rat adenohypophysis. by T. Vanha-Perttula Download PDF EPUB FB2

Esterases of the rat adenohypophysis. Cellular localization and activity in relation to secretory functions. Acta Physiol Scand Suppl.

; Esterases of the rat adenohypophysis. Cellular localization and activity in relation to secretory by: Ultrastructure of Rat Adenohypophysis: Correlation with Function discusses the ultrastructure of the anterior pituitary in the normal intact rat, as well as in animal after various treatments and changes in its physiology.

Wherever possible, the book attempts to coordinate and associate changes in pituitary ultrastructure with physiological aspects. Ultrastructure of Rat Adenohypophysis: Correlation with Function discusses the ultrastructure of the anterior pituitary in the normal intact rat, as well as in animal after various treatments and changes in its physiology.

Wherever possible, the book attempts to coordinate and associate changes in pituitary ultrastructure with physiological Book Edition: 1. Histochemically demonstrable esterase activity in the hypothalamus of the developing rat. activity has been investigated histochemically in the hypothalamic neurons during the ontogenic development of the rat.

Esterases of the rat adenohypophysis. Acta physiol. scand. 68, Cited by: 9. Comparative Analysis of Esterase Activities of Human, Mouse, and Rat Blood Article (PDF Available) in Bulletin of Experimental Biology and Medicine (1) November with 2, Reads.

Characteristics of the hydrolysis of histochemical substrates 5-bromoindoxyl acetate, naphthyl acetate, proprionate, butyrate, caprylate, laurate, myristate, and palmitate, acetyl and butyryl thiocholhie, chloroacetyl and trifluoroacetyl α-naphthylamide, benzoyl-arginine β-naphthylamide and proteinase substrates human hemoglobin and glycyl-phenylalanine amide by the rat pituitary tissue Cited by: Esterolytic and proteolytic enzymes of the rat adenohypophysis.

Studies with homogenate and its fractions. Vanha-Perttula TP, Hopsu VK. PMID: [Indexed for MEDLINE] MeSH terms. Animals; Esterases/metabolism*Cited by: The adenohypophysis has a highly dense and complex vascular network.

The arterial supply is scarce, whereas the majority of blood reaches the parenchyma through the portal veins (Figure ).Pairs of the superior and inferior hypophysial arteries, both branches of the internal carotid arteries, enter the median eminence and form the superficial external plexus that gives rise to a network of.

V Soil-Based Discovery of Novel Esterases and Lipases. Esterases and lipases are subclasses of the hydrolase superfamily of enzymes. Lipases have been historically differentiated from esterases by their ability to hydrolyze glycerol esters of long-chain fatty acids, as well as being enzymatically activated at the lipid–water interface.

The bacterial lipases⧸esterases encompass a large superfamily of enzymes. Species and tissue differences in the activity of three major classes of esterases, carboxylesterase (CE), butyrylcholinesterase (BChE) and paraoxonase (PON), were studied.

Substantial species differences in activity of these esterases were observed between the mouse, rat, dog monkey and human. On continuation of study by Kurz and Goslar () concerning the inhibitory effects to non specific esterases on liver and kidney, the behaviour of α-naphthyl-acetate-esterases on hypothalamus, neurohypophysis, adrenal and parotid glands of rats had been examined against aldehydes, organic solution-mediators and anorganic salts.

It had shown a different sensitiveness, the esterases of Author: Christa Marciniak. Folia Histochem Cytochem (Krakow). ;4(3) The effect of beryllium chloride on rat adenohypophysis. Malendowicz L. PMID: Cited by: 1. THE complex family of non-specific carboxylic esterases has been subdivided into different groups, principally on the basis of the results of inhibitor and Cited by: 5.

The pars intermedia is less distinct in the human than in the rat. MSH is located in the melanotrope, a weakly basophilic cell with granules of − nm. MSH antisera interact with cells of the pars distalis and pars intermedia.

GH is in the somatotrope of the pars distalis, an acidophilic cell containing large numbers of granules of Abstract. This chapter is a brief survey of the esterases which have been identified in human tissues.

The literature on esterases is voluminous; a comprehensive review of even the relatively limited number of esterases that are known to be present in the blood Cited by: 1.

Author(s): Vanha-Perttula,Tapani Title(s): Esterases of the rat adenohypophysis; cellular localization and activity in relation to secretory functions. Country of Publication: Finland Publisher: Turku, Univ. of. Observations on the functional cytochemistry of pars intermedia of the rat hypophysis.

Authors; A., Söderholm, U.: Histochemical evidence of three types of esterases in the adrenal medulla of the rat. Histochemie2, – () Esterases of the rat adenohypophysis. Acta Cited by: 2. Changes in the Esterases of Rat Brain and Blood Serum Following Acute Cranial Exposure to X-RaysCited by: 6.

COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

The uptake of L-dopa into the cells of the adenohypophysis of the rat was studied during the postnatal development and at adult age using the formaldehyde-induced fluorescence method (FIF). The cells taking up L-dopa were classified by Alcian blue-PAS-Orange G staining. The correlation between the cells taking up L-dopa and those containing tryptophyl-peptide was estimated during the Cited by: 4.

The adenohypophysis (anterior pituitary) is a major centre for systemic hormones. At present, no efficient stem-cell culture for its generation is available, partly because of insufficient Cited by: The adenohypophysis consists of 3 parts: the pars distalis, pars tuberalis, and pars intermedia.

In many species, the adenohypophysis completely surrounds the pars nervosa of the neurohypophyseal system. The pars distalis is the largest region of the adenohypophysis and contains the multiple populations of endocrine cells that secrete the different pituitary trophic hormones.

The investigation of in vitro plasma metabolism of ester prodrugs is an important part of in vitro ADME assays during preclinical drug development. Here, we show that the in vitro metabolism including plasma stability and metabolizing enzymes of curcumin diethyl disuccinate (CDD), an ester prodrug of curcumin, in dog and human plasma are similar but markedly different from those in rat plasma.

ann med exp biol fenn. ; esterolytic and proteolytic enzymes of the rat adenohypophysis. chromatographic fractionation and characterization of enzyme activities hydrolysing by: 5. Purchase The Anterior Pituitary - 1st Edition. Print Book & E-Book.

ISBNBook Edition: 1. Vol. 11, No. 1, BOOK REVIEW ter, adenoma and carcinoma of the rat thy- roid induced by amitrole and ethylenethi- ourea, both potent antithyroid chemicals causing release of excess pituitary thyro- tropic hormone.

The subject of the fourth part of this book is. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (M), or click on a page image below to browse page by page.

Links to PubMed are also available for Selected References. Purchase Three Dimensional Microanatomy of Cells and Tissue Surfaces - 1st Edition.

Print Book & E-Book. ISBNBook Edition: 1. STUDIES by Siperstein et al.1,2 first described the cytology of the adrenocorticotropin (ACTH) cell in the rat adenohypophysis. This cell is stellate Cited by:   Europe PMC is an ELIXIR Core Data Resource Learn more >. Europe PMC is a service of the Europe PMC Funders' Group, in partnership with the European Bioinformatics Institute; and in cooperation with the National Center for Biotechnology Information at the U.S.

National Library of Medicine (NCBI/NLM).It includes content provided to the PMC International archive by participating. Get this from a library. Ultrastructure of Rat Adenohypophysis: Correlation with Function. [Allen Costoff] -- Ultrastructure of Rat Adenohypophysis.

The subcellular distribution of the esterases of rat liver and kidney was examined by differential centrifugation followed by quantitative titrimetric analysis, starch-gel electrophoresis, and electron microscopy of the subcellular fractions.

The esterases were found primarily in Cited by: The tissues most effective in the enzymatic hydrolysis of acyl esters of p-nitrophenol by tissue extracts of the rat and dog were the liver, lung, pancreas, renal cortex, and testis; in the dog tracheal and vesical mucosae were also esterase-rich and the lens had appreciable se was at low concentration in the tissues of the rat for 4 and 5 days after birth, but an increase to Cited by: Immunochemical Staining of the Rat Adenohypophysis in Organ Culture' ALICE S.

PAKURAR. RAYMOND H. KAHN AND JAMES L. CONKLINZ Department of Anatomy, The University of Michigan, Ann Arbor, Michigan 04 ABSTRACT Rat anterior pituitaries were cytologically studied following cul.

The distribution of both basophiles and ACTH in the rat adenohypophysis is more uniform than in hog or beef glands. The posterior lobe of all species examined (rat, hog, beef, and man) contains small, but significant, amounts of ACTH. Histochemical and cytophotometric observations on esterases in the spinal ganglion of the rat.

the adenohypophysis can be divided into. a large pars distalis and a small pars intermedia. the pars intermedia is what. located where. thin sliver of adenohypophysis adjacent to neurohypophysis.

the pituitary cleft is the remnant of the. lumen of Rathke's pouch in dorsal ectoderm of oral cavity. microsomes are the site of localization esterase or esterases in liver. Because the substrate utilized in our studies was glyceryl I-monodecanoate, special attention should be directed to the reports of Belfrage (23) and Carter (24), who demonstrated the presence of monoglyceride lipase in microsomes of rat liver.

-cells of the adenohypophysis derived from the neural ectoderm of the infundibulum-contain glial intermediate fibers-communicate with eachother via gap junctions-secretes follistatin which reduces the response of gonadotrophs to GnRH -their secretions never leave the adenohypophysis.

Abstract. This chapter is a brief survey of the esterases which have been identified in human tissues. The literature on esterases is voluminous; a comprehensive review of even the relatively limited number of esterases that are known to be present in the blood .The adenohypophysis of pituitary gland in the rat was subdivided into three parts: 1- The pars distalis: The parenchyma of pars distalis consists of clusters and cords of cel ls i ntermingled with.Ultrastructure of rat adenohypophysis: correlation with function.

New York, Academic Press, (OCoLC) Online version: Costoff, Allen. Ultrastructure of rat adenohypophysis: correlation with function. New York, Academic Press, (OCoLC) Document Type: Book: All Authors / Contributors: Allen Costoff; United States. Public.