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2 edition of Corpuscles of stannius and stanniocalcin in the more ancient bony fishes found in the catalog.

Corpuscles of stannius and stanniocalcin in the more ancient bony fishes

Luciano E. Marra

Corpuscles of stannius and stanniocalcin in the more ancient bony fishes

phylogenetic implications of morphological and molecular differences.

by Luciano E. Marra

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  • 10 Currently reading

Published .
Written in English


The Physical Object
Pagination241 leaves.
Number of Pages241
ID Numbers
Open LibraryOL20049328M
ISBN 100612498174

Corpuscularianism is a physical theory that supposes all matter to be composed of minute theory became important in the seventeenth century; amongst the leading corpuscularians were Thomas Hobbes, René Descartes, Pierre Gassendi, Robert Boyle, Isaac Newton, and John Locke.   Stanniocalcin (STC) is a glycoprotein hormone first identified from the corpuscles of Stannius in bony fish, endocrine glands that are embryologically derived from the kidney tubules. (1, 2) An increase in plasma ionized calcium levels is the principal stimulus for secretion and one of the primary roles of STC in fishes is preventing the.

  The corpuscles of Stannius, unique glandular islets found only in the kidneys of bony fishes, secrete a peptide called hypocalcin. Fish calcitonins differ somewhat from the mammalian peptide hormone of the same name, and fish calcitonins have proved to be more potent and have a longer-lasting action in humans than human calcitonin itself. Zebrafish stanniocalcin 1 (stc1) is expressed exclusively by the CS of embryos and early larvae (Fig. 2 2,, A and B), although it is expressed more broadly in adults (31,51). Because trpm7 is expressed particularly strongly in the CS as well (30, 31), we asked whether trpm7 -dependent changes in calcium levels might be associated with.

  The key difference between Meissner’s corpuscles and Pacinian corpuscles is that Meissner’s corpuscles are encapsulated receptors that respond to low-frequency vibrations and fine touch while Pacinian corpuscles are deep receptors that respond to deep pressure and high-frequency vibration.. Mechanoreceptors are a type of sensory receptors that are able to sense mechanical forces . Keywords: corpuscles of Stannius, FGF23, kidney, klotho, pronephros, zebrafish Introduction In humans, phosphate homeostasis is maintained by the integrated endocrine hormonal effects of fibroblast growth factor 23 (FGF23), parathyroid hormone (PTH) and 1,dihydroxyvitamin D [ 1 ].


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Corpuscles of stannius and stanniocalcin in the more ancient bony fishes by Luciano E. Marra Download PDF EPUB FB2

The corpuscles of Stannius are special endocrine organs in the kidney in fish and are responsible for maintaining calcium are found only in bony fishes. They were discovered and described by a German anatomist Hermann Friedrich Stannius in Stannius considered them as functionally similar to adrenal glands in mammals.

But they have later been found to be anatomically. BibTeX @MISC{Marra_corpusclesof, author = {Luciano E. Marra}, title = {CORPUSCLES OF STANNIUS AND STANNIOCALCIN IN THE MORE ANCIENT BONY FISHES: PHYLOGENETIC IMPLICATIONS OF MORPHOLOGICAL AND MOLECUAR DIFFERENCES}, year = {}}.

Other articles where Corpuscles of Stannius is discussed: hormone: Endocrine-like glands and secretions: The corpuscles of Stannius, found only in bony fishes, are sac-like bodies in the kidney.

Although they were once thought to be a form of adrenocortical tissue, they differ from it in embryological origin as well as in cytological characteristics; moreover, although the corpuscles of.

CORPUSCLES OF STANNIUS AND STANNIOCALCIN IN THE MORE ANCIENT BONY FISHES: PHYLOGENETIC IMPLICATIONS OF MORPHOLOGICAL AND MOLECUAR DIFFERENCES. By Luciano E. Marra. Abstract. ofCamda uisitions and raphb anrices Biblby nationale du Can Topics: Acquisitions et Author: Luciano E. Marra. The corpuscles of Stannius of arawana (Osteoglossum bicirrhosum), an ancient teleost, were examined by routine light and electron microscopy and following their immunoreactivity to salmon and trout stanniocalcin ic acid-Schiff positive cells of the corpuscles of Stannius had a follicular arrangement and demonstrated a strong immunohistochemical reaction with both stanniocalcin Cited by:   Physiological studies of a unique endocrine gland in fish, named corpuscles of Stannius (CS), described a Ca2+-regulatory function for this gland mediated by stanniocalcin.

The corpuscles of Stannius produce stanniocalcin, and in bony fishes of ancient lineage. relationship among these and other bony fishes and the need for more data on catecholamines and. The bowfin is one of two extant holostean species with ancient ancestral links to modern-day bony fishes.

The corpuscles of Stannius (white corpuscles) of the. We used an antiserum against salmon stanniocalcin in an immunohistochemical, immunocytochemical, and Western blot analysis of bowfin (Amia calva) corpuscles of stannius. The bowfin is one of two extant holostean species with ancient ancestral links to modern-day bony fishes.

The corpuscles of Stannius (white corpuscles) of the bowfin were scattered throughout much of the kidney among the. The primary structure of stanniocalcin (STC), the principal product of the corpuscles of Stannius (CS) in ray-finned fishes, was deduced from STC cDNA clones for two species of holostean, the gar, Lepisosteus osseus and the bowfin, Amia pping partial cDNA clones were amplified by polymerase chain reaction (PCR) from single-strand cDNA of the CS.

Stanniocalcin 1 (Stc1) was originally identified as an anti-hypercalcemic hormone produced by the corpuscles of Stannius (CS) associated with the kidney in teleosts. While the stc1 gene is expressed in various tissues in fishes, its role and regulation in extra-CS tissues are unexplored.

In the present study, we characterized a cDNA of stc1 in a euryhaline fish, the Japanese flounder. Summary. The corpuscles of Stannius (CS) of the cichlid Oreochromis mossambicus (formerly Sarotherodon mossambicus) were studied in relation to sexual maturation and plasma calcium sexual maturation, the CS are enlarged in female fish, because of an increase in size and number of the type-1 cells.

The corpuscle of Stannius (CS) is present in all jawed fishes. It is a unique endocrine gland producing Stanniocalcin (STC), a homodimeric glycoprotein hormone [ 14 ]. In different species, CS either located ventrally on the surface of the kidney or scattered throughout the kidney.

corpuscles of stannius and stanniocalcin in the more ancient bony fishes: phylogenetic implications of morphological and molecuar differences Physiological studies of a unique endocrine gland in fish, named corpuscles of Stannius (CS), described a Ca2 +-regulatory function for this gland mediated by.

Islands of eosinic cells found on the lateroventral surface of the kidney. Function is thought to be that of the parathyroid gland in other vertebrates, which are lacking in fishes. These cells secrete hypocalcin (teleocalcin) to regulate calcium metabolism. Appears at: Segmentation. The activation signal has been addressed in teleost fish and humans where an increase in extracellular calcium was responsible for the upregulation of STC1 mRNA in a primary culture from trout corpuscles of Stannius (Wagner and Jaworski ), in zebra fish embryos (Tseng et al.

) and in various human immortalized cell lines (Chang et al. fishes. In marine fishes witch are associated with coral reefs the concentration of calcium increases in the reefs, the CS cells are more active than the fresh water fishes of fresh water, thus indicating calcium is a factor for the activity of corpuscles of Stannius in fishes.

The histological details of corpuscles of Stannius (AF–positive and AF–negative cells) of control fish were noticed after aldehyde fuchsin staining (Figure 2). Up to 72 h following the treatment with latex of E. royleana there is no change in the histological structure of corpuscles of Stannius of fish.

Bony fishes - Lobe Finned (sci name, examples, characteristics, diversity level) - Osteichthyes - very low diversity, ancient species that preceded amphibians (bone structure in fins = precursor for digits) - lobed rounded fins (u shaped), bony skeleton (ex corpuscles of stannius) 3.

locations may differ. Chromaffin Tissue - in head kidney. Calcium metabolism and mRNA levels of the epithelial calcium channel (ECaC) were examined in a freshwater cartilaginous fish, the lake sturgeon Acipenser fulvescens. Lake sturgeon were acclimated for ≥2 weeks to (low), (normal) or (high) mmol l–1 environmental calcium.

Whole-body calcium flux was examined using 45Ca as a radioactive marker. Stanniocalcin is a large protein hormone that was originally purified from specialized glands, known as the corpuscles of Stannius, associated with the kidneys of teleostean and holostean fishes. Wagner et al. () isolated and provided a partial amino-acid sequence for the first stanniocalcin (referred to as ‘teleocalcin’) from sockeye.The corpuscle of Stannius (CS) is present in all jawed fishes.

It is a unique endocrine gland producing Stanniocalcin (STC), a homodimeric glycoprotein hormone [14].

In different species, CS either located ventrally on the surface of the kidney or scattered throughout the kidney.Although stannniocalcin-1 (STC-1) was originally described in fish, it is now known to be present throughout the animal kingdom in both vertebrates and invertebrates [1].The principle source of STC-1 in bony fish are endocrine glands known as the corpuscles of Stannius (CS) which are anatomically associated with the kidneys.