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Gumusoglu SB, Chilukuri ASS, Hing BWQ, Scroggins SM, Kundu S, Sandgren JA, Santillan MK, Santillan DA, Grobe JL, Stevens HE. Altered offspring neurodevelopment in an arginine vasopressin preeclampsia model. Transl Psychiatry 2021; 11:79. [PMID: 33510137 PMCID: PMC7844013 DOI: 10.1038/s41398-021-01205-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 12/17/2020] [Accepted: 01/08/2021] [Indexed: 12/18/2022] Open
Abstract
Preeclampsia is a severe gestational hypertensive condition linked to child neuropsychiatric disorders, although underlying mechanisms are unclear. We used a recently developed, clinically relevant animal model of preeclampsia to assess offspring. C57BL/6J mouse dams were chronically infused with arginine vasopressin (AVP) or saline (24 ng/h) throughout pregnancy. Adult offspring were behaviorally tested (Y-maze, open field, rotarod, social approach, and elevated plus maze). Offspring brain was assessed histologically and by RNA sequencing. Preeclampsia-exposed adult males exhibited increased anxiety-like behavior and social approach while adult females exhibited impaired procedural learning. Adult AVP-exposed males had reduced total neocortical volume. Adult AVP-exposed females had increased caudate-putamen volume, increased caudate-putamen cell number, and decreased excitatory synapse density in hippocampal dentate gyrus (DG), CA1, and CA3. At postnatal day 7 (P7), AVP-exposed male and female offspring both had smaller neocortex. At P7, AVP-exposed males also had smaller caudate-putamen volume, while females had increased caudate-putamen volume relative to neocortical size. Similar to P7, E18 AVP-exposed offspring had smaller dorsal forebrain, mainly in reduced intermediate, subventricular, and ventricular zone volume, particularly in males. Decreased volume was not accounted for by cell size or cerebrovascular vessel diameter changes. E18 cortical RNAseq revealed 49 differentially-expressed genes in male AVP-exposed offspring, over-representing cytoplasmic translation processes. In females, 31 genes were differentially-expressed, over-representing collagen-related and epithelial regulation pathways. Gene expression changes in E18 AVP-exposed placenta indicated potential underlying mechanisms. Deficits in behavior and forebrain development in this AVP-based preeclampsia model were distinctly different in males and females, implicating different neurobiological bases.
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Affiliation(s)
- Serena Banu Gumusoglu
- Interdisciplinary Neuroscience Graduate Program, University of Iowa, Iowa City, IA, USA.
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, USA.
- Iowa Neuroscience Institute, University of Iowa, Iowa City, IA, USA.
| | - Akanksha Sri Satya Chilukuri
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
- Iowa Neuroscience Institute, University of Iowa, Iowa City, IA, USA
| | - Benjamin Wen Qing Hing
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
- Iowa Neuroscience Institute, University of Iowa, Iowa City, IA, USA
- Molecular Physiology and Biophysics, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Sabrina Marie Scroggins
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Sreelekha Kundu
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
- Iowa Neuroscience Institute, University of Iowa, Iowa City, IA, USA
| | - Jeremy Anton Sandgren
- Department of Pharmacology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Mark Kharim Santillan
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Donna Ann Santillan
- Department of Obstetrics and Gynecology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Justin Lewis Grobe
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Hanna Elizabeth Stevens
- Interdisciplinary Neuroscience Graduate Program, University of Iowa, Iowa City, IA, USA
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
- Iowa Neuroscience Institute, University of Iowa, Iowa City, IA, USA
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Boer GJ, Quak J, de Vries MC, Heinsbroek RP. Mild sustained effects of neonatal vasopressin and oxytocin treatment on brain growth and behavior of the rat. Peptides 1994; 15:229-36. [PMID: 8008627 DOI: 10.1016/0196-9781(94)90007-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The lasting effects of a 9-day neonatal exposure to vasopressin and oxytocin were examined in the rat to discover if peptide administration results in organizational effects. When tested in young adulthood, brain growth, not body growth, appeared to be impaired. Basal and challenge tests of urine production, carried out to see the development of the hormonal antidiuretic function of vasopressin, revealed no lasting changes, and therefore did not confirm earlier findings of an induced mild polyurea. Behavioral testing of learning by making use of a one-trail step-through paradigm with a 24-h retention trial--a test that is sensitive to vasopressin--did not show impairments. Open field tests, however, showed enhanced emotionality in the vasopressin-treated females, as well as an initially increased ambulation in the males, and increased grooming in both sexes, the latter also having been reported to be induced by vasopressin administration in the septal areas. Oxytocin treatment did not produce lasting changes. Our conclusion, therefore, is that peripherally circulating vasopressin can affect the organizational development of the rat brain. It remains to be established whether this is an effect obtained through changes in the general peripheral physiology or a reflection of plasticity phenomena at the level of central vasopressin neurotransmission.
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Affiliation(s)
- G J Boer
- Netherlands Institute for Brain Research, Amsterdam
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Boer GJ, Snijdewint FG, Licht R, te Riele P. Increased loss of brain DNA in the neonatal vasopressin-deficient Brattleboro rat, but not in normal rat treated with vasopressin antagonist. Neurosci Lett 1993; 156:17-20. [PMID: 8414182 DOI: 10.1016/0304-3940(93)90428-n] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
In order to establish whether vasopressin (VP) influences brain cell survival, [3H]thymidine was injected in 10-day-old vasopressin-deficient Brattleboro rat pups, as well as in Wistar pups treated, neonatally, with the VP antagonist dP[Tyr(Me)2]VP followed by subsequent measurement of [3H]DNA in olfactory bulbs and cerebellum days and weeks thereafter. Results show, first of all, that the incorporation of [3H]thymidine into DNA was enhanced in the homozygous (HOM) Brattleboro, when compared with the heterozygous (HET; non-vasopressin-deficient) controls. The difference is due to the greater and prolonged tissue availability of [3H]thymidine, possibly pointing to an altered thymidine uptake and/or metabolism. Between postnatal days 25 and 39 no differences were seen in [3H]DNA content of the brain parts of the HET and Wistar control rats. For the HOM rats, however, a loss of [3H]DNA was seen (up to 8%), indicating that increased postnatal brain cell death might occur in the mutant. The antagonist treatment in Wistar rat up to 21 days of age failed to show a similar effect. It is proposed that general growth impairments, rather than VP receptor-mediated effects, lead to the brain cell loss.
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Affiliation(s)
- G J Boer
- Netherlands Institute for Brain Research, Amsterdam
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Almazan G, Lefebvre DL, Zingg HH. Ontogeny of hypothalamic vasopressin, oxytocin and somatostatin gene expression. BRAIN RESEARCH. DEVELOPMENTAL BRAIN RESEARCH 1989; 45:69-75. [PMID: 2563676 DOI: 10.1016/0165-3806(89)90008-4] [Citation(s) in RCA: 63] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The expression of 3 neuropeptide genes, vasopressin (AVP), oxytocin (OT) and somatostatin (SOM), was studied in the developing rat hypothalamus using Northern blot analysis combined with densitometric scanning. A unique profile of developmental expression was established for each of the 3 genes. SOM mRNA is detectable at embryonic day 14 and reaches 40% of the adult levels by embryonic day 18. By contrast, accumulation of AVP and OT mRNA is mainly a postnatal event. AVP mRNA, although detectable in the late embryo, rises gradually after birth and attains 40% of adult levels after the second postnatal week. Maturation of OT gene expression occurs even later and parallels AVP gene expression with a lag time of one week. Observed increases in mRNA levels are due to an upregulation of gene expression since they occur essentially following cessation of neuronal cell proliferation. The rise in AVP and OT mRNA accumulation coincides with the establishment of synaptic input to AVP and OT neurons. Expression of the SOM gene, by contrast, occurs prior to neuronal cell differentiation and points to a possible function of SOM in the embryonic brain.
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Affiliation(s)
- G Almazan
- Laboratory of Molecular Endocrinology, Royal Victoria Hospital, McGill University, Montreal, Que., Canada
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Snijdewint FG, Boer GJ. Neonatal treatment with vasopressin antagonist dP[Tyr(Me)2]AVP, but not with vasopressin antagonist d(CH2)5[Tyr(Me)2]AVP, inhibits body and brain development and induces polyuria in the rat. Neurotoxicol Teratol 1988; 10:321-5. [PMID: 3226374 DOI: 10.1016/0892-0362(88)90034-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Two vasopressin antagonists, d(CH2)5[Tyr(Me)2]AVP and dP[Tyr(Me)2]AVP, were given to Wistar rats from postnatal day 1 to 21 in order to investigate the influence on development and later diuresis. The latter antagonist significantly reduced body growth from day 3 postnatally onwards. At postnatal day 35 body, total brain, cerebellar and kidney weights were significantly reduced compared with controls. Diuresis, measured at one month of age, was four- to five-fold higher than the control group. Combined treatment with vasopressin failed to abolish the weight disturbances or polyuria. However, animals treated with the vasopressin antagonist d(CH2)5[Tyr(Me)2]AVP did not show developmental or diuretic deficits. Allometric analysis of brain/body relationship of the young animals indicated a disturbance of brain development by dP[Tyr(Me)2]AVP. Although the body and brain growth retardation induced by dP[Tyr(Me)2]AVP supports the hypothesis of a role for vasopressin in brain ontogeny, it can also be the result of a nonAVP-related toxic effect, since it could not be prevented by concomitant treatment with vasopressin.
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Boer GJ, Kruisbrink J. A polymeric controlled drug delivery device for peptides based on a surface desorption/diffusion mechanism. Biomaterials 1987; 8:265-74. [PMID: 3663804 DOI: 10.1016/0142-9612(87)90114-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Further investigations of the mechanisms underlying continuous peptide delivery from a newly developed Accurel polypropylene/collodion device are described. This module was prepared by lumen-loading an aqueous peptide solution into a piece of microporous Accurel polypropylene tubing which was subsequently end-sealed and encapsulated by a collodion membrane. By using vasopressin (VP) as a 'model' peptide, various aspects of the known semi-reversible protein/polymer surface interaction are shown to be present for VP and polypropylene i.e. prominent adsorption on the large surface area, which follows a bimodal adsorption isotherm, but with very limited desorption, and which can be enhanced by exchange with other proteins. Based on these findings as well as the observed steady state levels of VP on 24 h immersions in a small fixed volume, the previously proposed mechanism of pseudo-zero-order release could be evaluated further: the adsorbed peptide molecules function as a stock of near-constant activity, since desorption is rather limited, and as long as rapid exchange of bound peptide by external proteins can be prevented by a sufficiently thick (greater than 60 micron) collodion membrane, a slow long-term diffusion process will take place. Under 'infinite sink' conditions, the devices gave linear cumulative release curves for weeks. The present module is a novelty among the known membrane-controlled drug-delivery reservoir systems, since it has been loaded by an unsaturated drug solution and because the encapsulating membrane is not the sole release-rate-controlling factor.
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Affiliation(s)
- G J Boer
- Netherlands Institute for Brain Research, Amsterdam
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Tinius TP, Beckwith BE, Preussler DW, Lee KJ. Prenatal administration of arginine vasopressin impairs memory retrieval in adult rats. Peptides 1987; 8:493-9. [PMID: 3658813 DOI: 10.1016/0196-9781(87)90015-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Eight pregnant female rats were chronically treated via an osmotic pump with arginine vasopressin or placebo during days 13 to 19 gestation. All offspring were tested as adults in either a discrimination task or a 25 day retention of a passive avoidance response. The results revealed that rats whose mother had been treated with vasopressin did not differ from controls on the acquisition or reversal of a brightness discrimination; however, they did require more trials to reach criterion during the ten day memory test of discrimination reversal. Further, treatment resulted in impaired memory retrieval in male rats on the 25 day memory test, while female rats were not affected. Treatment did not influence body weight. The results indicated that vasopressin administered during the prenatal period of development may have had a teratogenic effect on memory retrieval.
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Affiliation(s)
- T P Tinius
- Psychology Department, University of North Dakota, Grand Forks 58202
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Uylings HB, van Norde W. Impaired development of individual cerebellar lobules in the diabetes insipidus Brattleboro rat. Brain Res 1986; 391:293-300. [PMID: 3697780 DOI: 10.1016/0165-3806(86)90296-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The size differences in the midsagittal cerebellum, its individual lobules and its layers are studied in homozygous diabetic (HOM) and heterozygous Brattleboro rats on postnatal days 12, 24 and 180. As has been reported for total cerebellar weight, no significant reduction in cerebellar size in HOM rats occurs at day 12, whereas from day 12 onwards the cerebellar growth in HOM rats is significantly stunted. The HOM cerebellum shows a particular structural etiology: not all cerebellar lobules are equally affected and in 180-day-old rats a sexually dimorphic effect is found.
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