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Gamulin O, Oroz K, Coric L, Krajacic M, Skrabic M, Dretar V, Strbe S, Talapko J, Juzbasic M, Krezic I, Lozic M, Stambolija V, Zizek H, Jurca I, Jurjevic I, Blagaic AB, Skrtic A, Seiwerth S, Sikiric P. Fourier Transform Infrared Spectroscopy Reveals Molecular Changes in Blood Vessels of Rats Treated with Pentadecapeptide BPC 157. Biomedicines 2022; 10:biomedicines10123130. [PMID: 36551886 PMCID: PMC9775416 DOI: 10.3390/biomedicines10123130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/25/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022] Open
Abstract
Recently, it was found that when confronted with major vessel occlusion and vascular failure, stable gastric pentadecapeptide BPC 157 therapy might rapidly functionally improve minor vessels to take over the function of disabled major vessels, reorganize blood flow, and compensate failed vessel function. We focused on the BPC 157 therapy effect obtained by giving 10 ng/kg ip to rats 5 min before sacrifice on the rat thoracic aorta, which we assessed with Fourier transform infrared spectroscopy (FTIR) 90 min thereafter. We applied a principal component analysis (PCA). The PCA model showed, with a clear distinction being mostly due to the PC1 score, differences between the spectra of BPC 157- and saline-treated rats. The comparison of the averaged spectra of these two groups with their differential spectrum and PC loadings allowed us to identify the parts of the FTIR spectra that contributed the most to the spectral separation of the two observed groups. The PC1 loadings and the differential spectrum showed that the main bands affecting the separation were the amid I band around 1650 cm-1, the amid II band around 1540 cm-1, and the vibrational band around 1744 cm-1. Fitting the spectral range between 1450 and 1800 cm-1 showed changes in protein conformation and confirmed the appearance of the vibrational band at 1744 cm-1. Controls had a substantially more intense vibrational band at 1744 cm-1. These spectral results showed the cells from saline-treated (control) rats to be in the early stage of cell death, while the samples from BPC 157-rats were protected. Thus, BPC 157 therapy changed the lipid contents and protein secondary structure conformation, with a rapid effect on vessels, within a short time upon application.
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Affiliation(s)
- Ozren Gamulin
- Department of Physics and Biophysics, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Katarina Oroz
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Luka Coric
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Maria Krajacic
- Department of Physics and Biophysics, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Marko Skrabic
- Department of Physics and Biophysics, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Vilim Dretar
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Sanja Strbe
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Jasminka Talapko
- Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
| | - Martina Juzbasic
- Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
| | - Ivan Krezic
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Marin Lozic
- Department of Pediatric and Preventive Dentistry, School of Dental Medicine, University of Zagreb, 10000 Zagreb, Croatia
- Department of Anesthesiology, Resuscitation and Intensive Care, University Hospital Centre Zagreb, 10000 Zagreb, Croatia
| | - Vasilije Stambolija
- Department of Anesthesiology, Resuscitation and Intensive Care, University Hospital Centre Zagreb, 10000 Zagreb, Croatia
| | - Helena Zizek
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Ivana Jurca
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Ivana Jurjevic
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Alenka Boban Blagaic
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Anita Skrtic
- Department of Pathology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
- Correspondence: (A.S.); (P.S.); Tel.: +385-1-4566-980 (A.S.); +385-1-4566-833 (P.S.); Fax: +385-1-4920-050 (A.S. & P.S.)
| | - Sven Seiwerth
- Department of Pathology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Predrag Sikiric
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
- Correspondence: (A.S.); (P.S.); Tel.: +385-1-4566-980 (A.S.); +385-1-4566-833 (P.S.); Fax: +385-1-4920-050 (A.S. & P.S.)
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Smoday IM, Petrovic I, Kalogjera L, Vranes H, Zizek H, Krezic I, Gojkovic S, Skorak I, Hriberski K, Brizic I, Kubat M, Strbe S, Barisic I, Sola M, Lovric E, Lozic M, Boban Blagaic A, Skrtic A, Seiwerth S, Sikiric P. Therapy Effect of the Stable Gastric Pentadecapeptide BPC 157 on Acute Pancreatitis as Vascular Failure-Induced Severe Peripheral and Central Syndrome in Rats. Biomedicines 2022; 10:biomedicines10061299. [PMID: 35740321 PMCID: PMC9220115 DOI: 10.3390/biomedicines10061299] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 05/24/2022] [Accepted: 05/27/2022] [Indexed: 12/15/2022] Open
Abstract
We revealed the therapy effect of the stable gastric pentadecapeptide BPC 157 (10 μg/kg, 10 ng/kg ig or po) with specific activation of the collateral rescuing pathways, the azygos vein, on bile duct ligation in particular, and acute pancreatitis as local disturbances (i.e., improved gross and microscopy presentation, decreased amylase level). Additionally, we revealed the therapy’s effect on the acute pancreatitis as vascular failure and multiorgan failure, both peripherally and centrally following “occlusion-like” syndrome, major intoxication (alcohol, lithium), maintained severe intra-abdominal hypertension, and myocardial infarction, or occlusion syndrome, and major vessel occlusion. The application-sacrifice periods were ligation times of 0–30 min, 0–5 h, 0–24 h (cured periods, early regimen) and 4.30 h–5 h, 5 h–24 h (cured periods, delayed regimen). Otherwise, bile duct-ligated rats commonly presented intracranial (superior sagittal sinus), portal and caval hypertension and aortal hypotension, gross brain swelling, hemorrhage and lesions, heart dysfunction, lung lesions, liver and kidney failure, gastrointestinal lesions, and severe arterial and venous thrombosis, peripherally and centrally. Unless antagonized with the key effect of BPC 157 regimens, reversal of the inferior caval and superior mesenteric vein congestion and reversal of the failed azygos vein activated azygos vein-recruited direct delivery to rescue the inferior-superior caval vein pathway; these were all antecedent to acute pancreatitis major lesions (i.e., acinar, fat necrosis, hemorrhage). These lesions appeared in the later period, but were markedly attenuated/eliminated (i.e., hemorrhage) in BPC 157-treated rats. To summarize, while the innate vicious cycle may be peripheral (bile duct ligation), or central (rapidly developed brain disturbances), or peripheral and central, BPC 157 resolved acute pancreatitis and its adjacent syndrome.
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Affiliation(s)
- Ivan Maria Smoday
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (I.M.S.); (L.K.); (H.V.); (H.Z.); (I.K.); (S.G.); (I.S.); (K.H.); (I.B.); (S.S.); (I.B.); (M.S.); (A.B.B.)
| | - Igor Petrovic
- Department of Surgery, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia;
| | - Luka Kalogjera
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (I.M.S.); (L.K.); (H.V.); (H.Z.); (I.K.); (S.G.); (I.S.); (K.H.); (I.B.); (S.S.); (I.B.); (M.S.); (A.B.B.)
| | - Hrvoje Vranes
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (I.M.S.); (L.K.); (H.V.); (H.Z.); (I.K.); (S.G.); (I.S.); (K.H.); (I.B.); (S.S.); (I.B.); (M.S.); (A.B.B.)
| | - Helena Zizek
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (I.M.S.); (L.K.); (H.V.); (H.Z.); (I.K.); (S.G.); (I.S.); (K.H.); (I.B.); (S.S.); (I.B.); (M.S.); (A.B.B.)
| | - Ivan Krezic
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (I.M.S.); (L.K.); (H.V.); (H.Z.); (I.K.); (S.G.); (I.S.); (K.H.); (I.B.); (S.S.); (I.B.); (M.S.); (A.B.B.)
| | - Slaven Gojkovic
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (I.M.S.); (L.K.); (H.V.); (H.Z.); (I.K.); (S.G.); (I.S.); (K.H.); (I.B.); (S.S.); (I.B.); (M.S.); (A.B.B.)
| | - Ivan Skorak
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (I.M.S.); (L.K.); (H.V.); (H.Z.); (I.K.); (S.G.); (I.S.); (K.H.); (I.B.); (S.S.); (I.B.); (M.S.); (A.B.B.)
| | - Klaudija Hriberski
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (I.M.S.); (L.K.); (H.V.); (H.Z.); (I.K.); (S.G.); (I.S.); (K.H.); (I.B.); (S.S.); (I.B.); (M.S.); (A.B.B.)
| | - Ivan Brizic
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (I.M.S.); (L.K.); (H.V.); (H.Z.); (I.K.); (S.G.); (I.S.); (K.H.); (I.B.); (S.S.); (I.B.); (M.S.); (A.B.B.)
| | - Milovan Kubat
- Department of Forensic Medicine and Criminology, School of Medicne, 10000 Zagreb, Croatia;
| | - Sanja Strbe
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (I.M.S.); (L.K.); (H.V.); (H.Z.); (I.K.); (S.G.); (I.S.); (K.H.); (I.B.); (S.S.); (I.B.); (M.S.); (A.B.B.)
| | - Ivan Barisic
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (I.M.S.); (L.K.); (H.V.); (H.Z.); (I.K.); (S.G.); (I.S.); (K.H.); (I.B.); (S.S.); (I.B.); (M.S.); (A.B.B.)
| | - Marija Sola
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (I.M.S.); (L.K.); (H.V.); (H.Z.); (I.K.); (S.G.); (I.S.); (K.H.); (I.B.); (S.S.); (I.B.); (M.S.); (A.B.B.)
| | - Eva Lovric
- Department of Pathology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (E.L.); (S.S.)
| | - Marin Lozic
- Department of Pediatric and Preventive Dentistry, School of Dental Medicine, University of Zagreb, 10000 Zagreb, Croatia;
| | - Alenka Boban Blagaic
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (I.M.S.); (L.K.); (H.V.); (H.Z.); (I.K.); (S.G.); (I.S.); (K.H.); (I.B.); (S.S.); (I.B.); (M.S.); (A.B.B.)
| | - Anita Skrtic
- Department of Pathology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (E.L.); (S.S.)
- Correspondence: (A.S.); (P.S.); Tel.: +385-1-4566-980 (A.S.); +385-1-4566-833 (P.S.)
| | - Sven Seiwerth
- Department of Pathology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (E.L.); (S.S.)
| | - Predrag Sikiric
- Department of Pharmacology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (I.M.S.); (L.K.); (H.V.); (H.Z.); (I.K.); (S.G.); (I.S.); (K.H.); (I.B.); (S.S.); (I.B.); (M.S.); (A.B.B.)
- Correspondence: (A.S.); (P.S.); Tel.: +385-1-4566-980 (A.S.); +385-1-4566-833 (P.S.)
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Lozic M, Stambolija V, Kovacevic J, Zivanovic‐Posilovic G, Suran J, Duplancic B, Mirkovic I, Kokot A, Drmic D, Seiwerth S, Sikiric P. Stable Gastric Pentadecapeptide BPC 157 Antagonized Local Anesthetic Effect of Lidocaine. FASEB J 2019. [DOI: 10.1096/fasebj.2019.33.1_supplement.822.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Marin Lozic
- PaharmacologySchool of Medicine, University of ZagrebZagrebCroatia
| | | | - Josip Kovacevic
- PaharmacologySchool of Medicine, University of ZagrebZagrebCroatia
| | | | - Jelena Suran
- PaharmacologySchool of Medicine, University of ZagrebZagrebCroatia
| | | | - Ivan Mirkovic
- PaharmacologySchool of Medicine, University of ZagrebZagrebCroatia
| | - Antonio Kokot
- PaharmacologySchool of Medicine, University of ZagrebZagrebCroatia
| | - Domagoj Drmic
- PaharmacologySchool of Medicine, University of ZagrebZagrebCroatia
| | - Sven Seiwerth
- PathologySchool of Medicine, University of ZagrebZagrebCroatia
| | - Predrag Sikiric
- PaharmacologySchool of Medicine, University of ZagrebZagrebCroatia
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Stambolija V, Bublic MM, Lozic M, Paladino J, Šcap M. Etomidate in neuroanesthesia for aneurysmal clipping in child with confirmed allergies to general anesthetics. Surg Neurol Int 2018; 9:200. [PMID: 30386670 PMCID: PMC6194727 DOI: 10.4103/sni.sni_159_18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 08/28/2018] [Indexed: 12/02/2022] Open
Abstract
Background: Etomidate may be given in continuous infusion for maintenance of general anesthesia, although that practice is rarely seen due to beliefs that it has possibility of interfering with cortisol synthesis. However, etomidate is sometimes preferable choice as it has least influence on hemodynamics and rarely causes allergic reactions. Case Description: We describe a case of 13-year-old boy with aneurysm of left middle cerebral artery, planned for aneurysmal clipping, and previously treated for ruptured aneurysm of right middle cerebral artery. As he was tested and proved allergic to most of the anesthetic drugs, and stable hemodynamic conditions were of most importance during planned neurosurgery, general anesthesia was maintained with etomidate infusion. He was prepared with metilprednisolon, antihistaminic, and ranitidine before the surgery. Cortisol and adrenocorticotropic hormone levels were measured on three consecutive postoperative days. Only cortisol value, in the morning the day after the surgery, was below reference range, with the values back to normal until that evening. He was dismissed from the intensive care unit with Glasgow Coma Score 15. Conclusion: Etomidate may be a choice for neuroanesthesia in specific group of people. We have good experience with our algorithm for continuous infusion of etomidate, with serum cortisol values in the reference range, if corticosteroids were not given before the surgery. Administration of metilprednisolon may diminish influence of perioperative stress on cortisol synthesis inhibition.
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Affiliation(s)
- Vasilije Stambolija
- Department of Anesthesiology, Reanimatology and Intensive Care, Division of Neuroanesthesia, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Martina Miklic Bublic
- Department of Anesthesiology, Reanimatology and Intensive Care, Division of Neuroanesthesia, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Marin Lozic
- Department of Anesthesiology, Reanimatology and Intensive Care, Division of Neuroanesthesia, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Josip Paladino
- Department of Neurosurgery, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Miroslav Šcap
- Department of Anesthesiology, Reanimatology and Intensive Care, Division of Neuroanesthesia, University Hospital Centre Zagreb, Zagreb, Croatia
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Stambolija V, Mrak G, Lozic M, Ljevak J, Miklic Bublic M, Scap M. Intraoperative Eptifibatide Administration During Urgent Arterial Bypass in Neurosurgery. World Neurosurg 2017; 103:952.e5-952.e9. [PMID: 28435115 DOI: 10.1016/j.wneu.2017.04.083] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 04/11/2017] [Accepted: 04/12/2017] [Indexed: 11/17/2022]
Abstract
BACKGROUND In some cases when risk of occlusion of a blood vessel is greater than risk of bleeding when patients undergo urgent or unplanned bypass during neurosurgery, the use of eptifibatide may be an option. We describe 2 patients who underwent arterial bypass in whom eptifibatide was used successfully intraoperatively during neurosurgery for prevention of bypass occlusion. CASE DESCRIPTION The first patient presented with a right middle cerebral artery (MCA) aneurysm with subocclusive stenosis of the M1 branch. After right-sided osteoplastic frontotemporal craniotomy, the MCA bifurcation was exposed with a bifurcational 6-mm aneurysm with a wide neck. Prebifurcation stenosis was found, with yellow calcification of the vessel wall, and postbifurcation calcification was found on the upper M2 branch. Superficial temporal artery-MCA bypass and occlusion of the MCA aneurysm was done. Before the bypass, continuous intravenous infusion of eptifibatide 1 μg/kg/minute was administered. The patient recovered normally without hemorrhage or neurologic deficit. The second patient presented with a left-sided lateral sphenoid wing meningioma. Left-sided frontotemporal craniotomy was performed, and the tumor was completely removed from the arachnoid layer. The temporal M3 branch was invaded by the meningioma. As there was no flow through the invaded segment of the aforementioned artery, termino-terminal M3 arterial anastomosis was done. Continuous intravenous infusion of eptifibatide 1 μg/kg/minute was administered. Indocyanine green angiography showed normal flow through the anastomosis, and the patient recovered normally. CONCLUSIONS Future studies are needed to test the safety and potential efficacy of eptifibatide in intraoperative settings.
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Affiliation(s)
- Vasilije Stambolija
- Division of Neuroanesthesia and Neurocritical Care, University Department of Anesthesiology, Reanimatology and Intensive Care, University Hospital Center Zagreb, Zagreb, Croatia.
| | - Goran Mrak
- University Department of Neurosurgery, University Hospital Center Zagreb, Zagreb, Croatia
| | - Marin Lozic
- Division of Neuroanesthesia and Neurocritical Care, University Department of Anesthesiology, Reanimatology and Intensive Care, University Hospital Center Zagreb, Zagreb, Croatia
| | - Josip Ljevak
- University Department of Neurology, University Hospital Center Zagreb, Zagreb, Croatia
| | - Martina Miklic Bublic
- Division of Neuroanesthesia and Neurocritical Care, University Department of Anesthesiology, Reanimatology and Intensive Care, University Hospital Center Zagreb, Zagreb, Croatia
| | - Miroslav Scap
- Division of Neuroanesthesia and Neurocritical Care, University Department of Anesthesiology, Reanimatology and Intensive Care, University Hospital Center Zagreb, Zagreb, Croatia
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Murphy D, Konopacka A, Hindmarch C, Paton JFR, Sweedler JV, Gillette MU, Ueta Y, Grinevich V, Lozic M, Japundzic-Zigon N. The hypothalamic-neurohypophyseal system: from genome to physiology. J Neuroendocrinol 2012; 24:539-53. [PMID: 22448850 PMCID: PMC3315060 DOI: 10.1111/j.1365-2826.2011.02241.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The elucidation of the genomes of a large number of mammalian species has produced a huge amount of data on which to base physiological studies. These endeavours have also produced surprises, not least of which has been the revelation that the number of protein coding genes needed to make a mammal is only 22 333 (give or take). However, this small number belies an unanticipated complexity that has only recently been revealed as a result of genomic studies. This complexity is evident at a number of levels: (i) cis-regulatory sequences; (ii) noncoding and antisense mRNAs, most of which have no known function; (iii) alternative splicing that results in the generation of multiple, subtly different mature mRNAs from the precursor transcript encoded by a single gene; and (iv) post-translational processing and modification. In this review, we examine the steps being taken to decipher genome complexity in the context of gene expression, regulation and function in the hypothalamic-neurohypophyseal system (HNS). Five unique stories explain: (i) the use of transcriptomics to identify genes involved in the response to physiological (dehydration) and pathological (hypertension) cues; (ii) the use of mass spectrometry for single-cell level identification of biological active peptides in the HNS, and to measure in vitro release; (iii) the use of transgenic lines that express fusion transgenes enabling (by cross-breeding) the generation of double transgenic lines that can be used to study vasopressin (AVP) and oxytocin (OXT) neurones in the HNS, as well as their neuroanatomy, electrophysiology and activation upon exposure to any given stimulus; (iv) the use of viral vectors to demonstrate that somato-dendritically released AVP plays an important role in cardiovascular homeostasis by binding to V1a receptors on local somata and dendrites; and (v) the use of virally-mediated optogenetics to dissect the role of OXT and AVP in the modulation of a wide variety of behaviours.
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Affiliation(s)
- D Murphy
- Henry Wellcome Laboratories for Integrative Neuroscience and Endocrinology, University of Bristol, Bristol, UK.
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