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Pirone A, Graïc J, Grisan E, Cozzi B. The claustrum of the sheep and its connections to the visual cortex. J Anat 2021; 238:1-12. [PMID: 32885430 PMCID: PMC7755083 DOI: 10.1111/joa.13302] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 08/05/2020] [Accepted: 08/05/2020] [Indexed: 01/03/2023] Open
Abstract
The present study analyses the organization and selected neurochemical features of the claustrum and visual cortex of the sheep, based on the patterns of calcium-binding proteins expression. Connections of the claustrum with the visual cortex have been studied by tractography. Parvalbumin-immunoreactive (PV-ir) and Calbindin-immunoreactive (CB-ir) cell bodies increased along the rostro-caudal axis of the nucleus. Calretinin (CR)-labeled somata were few and evenly distributed along the rostro-caudal axis. PV and CB distribution in the visual cortex was characterized by larger round and multipolar cells for PV, and more bitufted neurons for CB. The staining pattern for PV was the opposite of that of CR, which showed densely stained but rare cell bodies. Tractography shows the existence of connections with the caudal visual cortex. However, we detected no contralateral projection in the visuo-claustral interconnections. Since sheep and goats have laterally placed eyes and a limited binocular vision, the absence of contralateral projections could be of prime importance if confirmed by other studies, to rule out the role of the claustrum in stereopsis.
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Affiliation(s)
- Andrea Pirone
- Department of Veterinary SciencesUniversity of PisaPisaItaly
| | - Jean‐Marie Graïc
- Department of Comparative Biomedicine and Food ScienceUniversity of PadovaLegnaroItaly
| | - Enrico Grisan
- Department of Information EngineeringUniversity of PadovaVicenzaItaly,School of EngineeringLondon South Bank UniversityLondonUK
| | - Bruno Cozzi
- Department of Comparative Biomedicine and Food ScienceUniversity of PadovaLegnaroItaly
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Baizer JS, Webster CJ, Baker JF. The Claustrum in the Squirrel Monkey. Anat Rec (Hoboken) 2019; 303:1439-1454. [DOI: 10.1002/ar.24253] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 05/21/2019] [Accepted: 06/29/2019] [Indexed: 11/09/2022]
Affiliation(s)
- Joan S. Baizer
- Department of Physiology and BiophysicsJacobs School of Medicine and Biomedical Sciences, University at Buffalo Buffalo New York
| | - Charles J. Webster
- Department of Physiology and BiophysicsJacobs School of Medicine and Biomedical Sciences, University at Buffalo Buffalo New York
| | - James F. Baker
- Department of PhysiologyNorthwestern University Medical School Chicago Illinois
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Hinova-Palova D, Iliev A, Edelstein L, Landzhov B, Kotov G, Paloff A. Electron microscopic study of Golgi-impregnated and gold-toned neurons and fibers in the claustrum of the cat. J Mol Histol 2018; 49:615-630. [DOI: 10.1007/s10735-018-9799-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 10/05/2018] [Indexed: 12/28/2022]
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Landzhov B, Hinova-Palova D, Edelstein L, Dzhambazova E, Brainova I, Georgiev GP, Ivanova V, Paloff A, Ovtscharoff W. Comparative investigation of neuronal nitric oxide synthase immunoreactivity in rat and human claustrum. J Chem Neuroanat 2017; 86:1-14. [DOI: 10.1016/j.jchemneu.2017.07.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Revised: 07/05/2017] [Accepted: 07/06/2017] [Indexed: 01/22/2023]
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Day-Brown JD, Slusarczyk AS, Zhou N, Quiggins R, Petry HM, Bickford ME. Synaptic organization of striate cortex projections in the tree shrew: A comparison of the claustrum and dorsal thalamus. J Comp Neurol 2016; 525:1403-1420. [PMID: 26971364 DOI: 10.1002/cne.23998] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 01/25/2016] [Accepted: 02/26/2016] [Indexed: 01/22/2023]
Abstract
The tree shrew (Tupaia belangeri) striate cortex is reciprocally connected with the dorsal lateral geniculate nucleus (dLGN), the ventral pulvinar nucleus (Pv), and the claustrum. In the Pv or the dLGN, striate cortex projections are thought to either strongly "drive", or more subtly "modulate" activity patterns respectively. To provide clues to the function of the claustrum, we compare the synaptic arrangements of striate cortex projections to the dLGN, Pv, and claustrum, using anterograde tracing and electron microscopy. Tissue was additionally stained with antibodies against γ-aminobutyric acid (GABA) to identify GABAergic interneurons and non-GABAergic projection cells. The striate cortex terminals were largest in the Pv (0.94 ± 0.08 μm2 ), intermediate in the claustrum (0.34 ± 0.02 μm2 ), and smallest in the dLGN (0.24 ± 0.01 μm2 ). Contacts on interneurons were most common in the Pv (39%), intermediate in the claustrum (15%), and least common in the dLGN (12%). In the claustrum, non-GABAergic terminals (0.34 ± 0.01 μm2 ) and striate cortex terminals were not significantly different in size. The largest terminals in the claustrum were GABAergic (0.51 ± 0.02 μm2 ), and these terminals contacted dendrites and somata that were significantly larger (1.90 ± 0.30 μm2 ) than those contacted by cortex or non-GABAergic terminals (0.28 ± 0.02 μm2 and 0.25 ± 0.02 μm2 , respectively). Our results indicate that the synaptic organization of the claustrum does not correspond to a driver/modulator framework. Instead, the circuitry of the claustrum suggests an integration of convergent cortical inputs, gated by GABAergic circuits. J. Comp. Neurol. 525:1403-1420, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
| | - Arkadiusz S Slusarczyk
- Department of Anatomical Sciences and Neurobiology, University of Louisville, Louisville, Kentucky, 40202
| | - Na Zhou
- Department of Anatomical Sciences and Neurobiology, University of Louisville, Louisville, Kentucky, 40202
| | - Ranida Quiggins
- Department of Anatomy, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Heywood M Petry
- Department of Psychological and Brain Sciences, University of Louisville, Louisville, Kentucky, 40292
| | - Martha E Bickford
- Department of Anatomical Sciences and Neurobiology, University of Louisville, Louisville, Kentucky, 40202
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Hinova-Palova DV, Landzhov B, Dzhambazova E, Minkov M, Edelstein L, Malinova L, Paloff A, Ovtscharoff W. Neuropeptide Y immunoreactivity in the cat claustrum: A light- and electron-microscopic investigation. J Chem Neuroanat 2014; 61-62:107-19. [PMID: 25157673 DOI: 10.1016/j.jchemneu.2014.08.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2014] [Revised: 08/15/2014] [Accepted: 08/16/2014] [Indexed: 11/28/2022]
Abstract
The claustrum is a telencephalic nucleus located ventrolateral to the basal ganglia in the mammalian brain. It has an extensive reciprocal connectivity with most if not all of the cerebral cortex, in particular, primary sensory areas. However, despite renewed and growing interest amongst investigators, there remains a paucity of data concerning its peptidergic profile. The aim of the present study was to examine the presence, morphology, distribution and ultrastructure of neuropeptide Y-immunoreactive (NPY-ir) neurons and fibers in the claustrum of the cat. Ten adult healthy cats from both sexes were used. All animals received human and ethical treatment in accordance with the Principles of Laboratory Animal Care. Subjects were irreversibly anesthetized and transcardially perfused with fixative solution containing glutaraldehyde and paraformaldehyde. Brains were promptly removed, postfixed and sectioned. Slices were incubated with polyclonal anti-NPY antibodies according to the standard avidin-biotin-peroxidase complex method adopted by our Department of Anatomy, Histology and Embryology. NPY-ir neurons and fibers were found to be diffusely distributed throughout the claustrum, with no obvious topographic or functional patterning other than larger numbers in its central/broadest part (stereotaxic planes A12-A16). Neurons were generally classified by diameter into three sizes: small (under 17 μm), medium (17-25 μm) and large (over 25 μm). Staining density is varied with some neurons appearing darker than others. At the electron-microscopic level NPY immunoproduct was observed within neurons, dendrites and terminal boutons, each differing relative to their ultrastructural attributes. Two types of NPY-ir synaptic boutons were found. Lastly, it is of interest to note that gender-specific differences were not observed.
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Affiliation(s)
- D V Hinova-Palova
- Department of Anatomy, Histology and Embryology, Medical University of Sofia, 1431 Sofia, Bulgaria
| | - B Landzhov
- Department of Anatomy, Histology and Embryology, Medical University of Sofia, 1431 Sofia, Bulgaria.
| | - E Dzhambazova
- Department of Chemistry, Biochemistry, Physiology and Pathophysiology, Sofia University "St. Kliment Ohridski", 1407 Sofia, Bulgaria
| | - M Minkov
- Department of Anatomy, Histology and Embryology, Medical University of Varna, 9002 Varna, Bulgaria
| | - L Edelstein
- Medimark Corporation, P.O. Box 2316, Del Mar, CA 92014, USA
| | - L Malinova
- Department of Anatomy, Histology and Embryology, Medical University of Sofia, 1431 Sofia, Bulgaria
| | - A Paloff
- Department of Anatomy, Histology and Embryology, Medical University of Sofia, 1431 Sofia, Bulgaria
| | - W Ovtscharoff
- Department of Anatomy, Histology and Embryology, Medical University of Sofia, 1431 Sofia, Bulgaria
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Hinova-Palova DV, Edelstein L, Landzhov B, Minkov M, Malinova L, Hristov S, Denaro FJ, Alexandrov A, Kiriakova T, Brainova I, Paloff A, Ovtscharoff W. Topographical distribution and morphology of NADPH-diaphorase-stained neurons in the human claustrum. Front Syst Neurosci 2014; 8:96. [PMID: 24904317 PMCID: PMC4034338 DOI: 10.3389/fnsys.2014.00096] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Accepted: 05/06/2014] [Indexed: 12/21/2022] Open
Abstract
We studied the topographical distribution and morphological characteristics of NADPH-diaphorase-positive neurons and fibers in the human claustrum. These neurons were seen to be heterogeneously distributed throughout the claustrum. Taking into account the size and shape of stained perikarya as well as dendritic and axonal characteristics, Nicotinamide adenine dinucleotide phosphate-diaphorase (NADPHd)-positive neurons were categorized by diameter into three types: large, medium and small. Large neurons ranged from 25 to 35 μm in diameter and typically displayed elliptical or multipolar cell bodies. Medium neurons ranged from 20 to 25 μm in diameter and displayed multipolar, bipolar and irregular cell bodies. Small neurons ranged from 14 to 20 μm in diameter and most often displayed oval or elliptical cell bodies. Based on dendritic characteristics, these neurons were divided into spiny and aspiny subtypes. Our findings reveal two populations of NADPHd-positive neurons in the human claustrum-one comprised of large and medium cells consistent with a projection neuron phenotype, the other represented by small cells resembling the interneuron phenotype as defined by previous Golgi impregnation studies.
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Affiliation(s)
- Dimka V Hinova-Palova
- Department of Anatomy, Histology, and Embryology, Medical University Sofia, Bulgaria
| | | | - Boycho Landzhov
- Department of Anatomy, Histology, and Embryology, Medical University Sofia, Bulgaria
| | - Minko Minkov
- Department of Anatomy and Histology, Medical University Varna, Bulgaria
| | - Lina Malinova
- Department of Anatomy, Histology, and Embryology, Medical University Sofia, Bulgaria
| | - Stanislav Hristov
- Department of Forensic Medicine and Deontology, Medical University Sofia, Bulgaria
| | - Frank J Denaro
- Department of Biology, Morgan State University Baltimore, MD, USA
| | - Alexandar Alexandrov
- Department of Forensic Medicine and Deontology, Medical University Sofia, Bulgaria
| | - Teodora Kiriakova
- Department of Forensic Medicine and Deontology, Medical University Sofia, Bulgaria
| | - Ilina Brainova
- Department of Forensic Medicine and Deontology, Medical University Sofia, Bulgaria
| | - Adrian Paloff
- Department of Anatomy, Histology, and Embryology, Medical University Sofia, Bulgaria
| | - Wladimir Ovtscharoff
- Department of Anatomy, Histology, and Embryology, Medical University Sofia, Bulgaria
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Abstract
This paper is the thirty-fifth consecutive installment of the annual review of research concerning the endogenous opioid system. It summarizes papers published during 2012 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior (Section 2), and the roles of these opioid peptides and receptors in pain and analgesia (Section 3); stress and social status (Section 4); tolerance and dependence (Section 5); learning and memory (Section 6); eating and drinking (Section 7); alcohol and drugs of abuse (Section 8); sexual activity and hormones, pregnancy, development and endocrinology (Section 9); mental illness and mood (Section 10); seizures and neurologic disorders (Section 11); electrical-related activity and neurophysiology (Section 12); general activity and locomotion (Section 13); gastrointestinal, renal and hepatic functions (Section 14); cardiovascular responses (Section 15); respiration and thermoregulation (Section 16); and immunological responses (Section 17).
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, Flushing, NY 11367, United States.
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Hinova-Palova DV, Edelstein L, Landzhov BV, Braak E, Malinova LG, Minkov M, Paloff A, Ovtscharoff W. Parvalbumin-immunoreactive neurons in the human claustrum. Brain Struct Funct 2013; 219:1813-30. [DOI: 10.1007/s00429-013-0603-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2013] [Accepted: 06/20/2013] [Indexed: 12/24/2022]
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