1
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Dave KM, Venna VR, Rao KS, Stolz DB, Brady B, Quaicoe VA, Maniskas ME, Hildebrand EE, Green D, Chen M, Milosevic J, Zheng SY, Shiva SS, McCullough LD, S Manickam D. Mitochondria-containing extracellular vesicles from mouse vs. human brain endothelial cells for ischemic stroke therapy. J Control Release 2024; 373:803-822. [PMID: 39084466 DOI: 10.1016/j.jconrel.2024.07.065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 07/10/2024] [Accepted: 07/27/2024] [Indexed: 08/02/2024]
Abstract
Ischemic stroke-induced mitochondrial dysfunction in the blood-brain barrier-forming brain endothelial cells (BECs) results in long-term neurological dysfunction post-stroke. We previously reported data from a pilot study where intravenous administration of human BEC (hBEC)-derived mitochondria-containing extracellular vesicles (EVs) showed a potential efficacy signal in a mouse middle cerebral artery occlusion (MCAo) model of stroke. We hypothesized that EVs harvested from donor species homologous to the recipient species (e.g., mouse) may improve therapeutic efficacy, and therefore, use of mouse BEC (mBEC)-derived EVs may improve post-stroke outcomes in MCAo mice. We investigated potential differences in the mitochondria transfer of EVs derived from the same species as the recipient cell (mBEC-EVs and recipient mBECs or hBECs-EVs and recipient hBECs) vs. cross-species EVs and recipient cells (mBEC-EVs and recipient hBECs or vice versa). Our results showed that while both hBEC- and mBEC-EVs transferred EV mitochondria, mBEC-EVs outperformed hBEC-EVs in increasing ATP levels and improved recipient mBEC mitochondrial function via increasing oxygen consumption rates. mBEC-EVs significantly reduced brain infarct volume and neurological deficit scores compared to vehicle-injected MCAo mice. The superior therapeutic efficacy of mBEC-EVs in MCAo mice support the continued use of mBEC-EVs to optimize the therapeutic potential of mitochondria-containing EVs in preclinical mouse models.
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Affiliation(s)
- Kandarp M Dave
- Graduate School of Pharmaceutical Sciences, Duquesne University, Pittsburgh, PA, United States of America
| | - Venugopal R Venna
- Department of Neurology, McGovern Medical School, University of Texas Health Science Center, Houston, TX, United States of America
| | - Krithika S Rao
- Pittsburgh Heart Lung Blood Vascular Institute, University of Pittsburgh Medical School, Pittsburgh, PA, United States of America
| | - Donna B Stolz
- Center for Biologic Imaging, University of Pittsburgh Medical School, Pittsburgh, PA, United States of America
| | - Bodhi Brady
- Human Biology, South Dakota State University, Brookings, SD, United States of America
| | - Victoria A Quaicoe
- Department of Neurology, McGovern Medical School, University of Texas Health Science Center, Houston, TX, United States of America
| | - Michael E Maniskas
- Department of Neurology, McGovern Medical School, University of Texas Health Science Center, Houston, TX, United States of America
| | - Ella E Hildebrand
- Graduate School of Pharmaceutical Sciences, Duquesne University, Pittsburgh, PA, United States of America; Department of Psychology, Westminster College, New Wilmington, PA, United States of America
| | - Dawson Green
- Graduate School of Pharmaceutical Sciences, Duquesne University, Pittsburgh, PA, United States of America
| | - Mingxi Chen
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA, United States of America
| | - Jadranka Milosevic
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA, United States of America; Captis Diagnostics Inc, Pittsburgh, PA, United States of America
| | - Si-Yang Zheng
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA, United States of America
| | - Sruti S Shiva
- Pittsburgh Heart Lung Blood Vascular Institute, University of Pittsburgh Medical School, Pittsburgh, PA, United States of America; Department of Pharmacology and Chemical Biology, University of Pittsburgh Medical School, Pittsburgh, PA, United States of America
| | - Louise D McCullough
- Department of Neurology, McGovern Medical School, University of Texas Health Science Center, Houston, TX, United States of America
| | - Devika S Manickam
- Graduate School of Pharmaceutical Sciences, Duquesne University, Pittsburgh, PA, United States of America.
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2
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Ngwa C, Al Mamun A, Qi S, Sharmeen R, Conesa MPB, Ganesh BP, Manwani B, Liu F. Central IRF4/5 Signaling Are Critical for Microglial Activation and Impact on Stroke Outcomes. Transl Stroke Res 2024; 15:831-843. [PMID: 37432594 PMCID: PMC10782817 DOI: 10.1007/s12975-023-01172-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 05/23/2023] [Accepted: 06/29/2023] [Indexed: 07/12/2023]
Abstract
Microglia and monocytes play a critical role in immune responses to cerebral ischemia. Previous studies have demonstrated that interferon regulatory factor 4 (IRF4) and IRF5 direct microglial polarization after stroke and impact outcomes. However, IRF4/5 are expressed by both microglia and monocytes, and it is not clear if it is the microglial (central) or monocytic (peripheral) IRF4-IRF5 regulatory axis that functions in stroke. In this work, young (8-12 weeks) male pep boy (PB), IRF4 or IRF5 flox, and IRF4 or IRF5 conditional knockout (CKO) mice were used to generate 8 types of bone marrow chimeras, to differentiate the role of central (PB-to-IRF CKO) vs. peripheral (IRF CKO-to-PB) phagocytic IRF4-IRF5 axis in stroke. Chimeras generated from PB and flox mice were used as controls. All chimeras were subjected to 60-min middle cerebral artery occlusion (MCAO) model. Three days after the stroke, outcomes and inflammatory responses were analyzed. We found that PB-to-IRF4 CKO chimeras had more robust microglial pro-inflammatory responses than IRF4 CKO-to-PB chimeras, while ameliorated microglial response was seen in PB-to-IRF5 CKO vs. IRF5 CKO-to-PB chimeras. PB-to-IRF4 or IRF5 CKO chimeras had worse or better stroke outcomes respectively than their controls, whereas IRF4 or 5 CKO-to-PB chimeras had similar outcomes compared to controls. We conclude that the central IRF4/5 signaling is responsible for microglial activation and mediates stroke outcomes.
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Affiliation(s)
- Conelius Ngwa
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
| | - Abdullah Al Mamun
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
| | - Shaohua Qi
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
| | - Romana Sharmeen
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
| | - Maria P Blasco Conesa
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
| | - Bhanu P Ganesh
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
| | - Bharti Manwani
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
| | - Fudong Liu
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA.
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3
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Dave KM, Venna VR, Rao KS, Stolz DB, Brady B, Quaicoe VA, Maniskas ME, Hildebrand EE, Green D, Chen M, Milosevic J, Zheng SY, Shiva SS, McCullough LD, Manickam DS. Mitochondria-containing extracellular vesicles from mouse vs . human brain endothelial cells for ischemic stroke therapy. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.16.575903. [PMID: 38293207 PMCID: PMC10827130 DOI: 10.1101/2024.01.16.575903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Ischemic stroke-induced mitochondrial dysfunction in the blood-brain barrier-forming brain endothelial cells ( BECs ) results in long-term neurological dysfunction post-stroke. We previously data from a pilot study where intravenous administration of human BEC ( hBEC )-derived mitochondria-containing extracellular vesicles ( EVs ) showed a potential efficacy signal in a mouse middle cerebral artery occlusion ( MCAo ) model of stroke. We hypothesized that EVs harvested from donor species homologous to the recipient species ( e.g., mouse) may improve therapeutic efficacy, and therefore, use of mouse BEC ( mBEC )-derived EVs may improve post-stroke outcomes in MCAo mice. We investigated potential differences in the mitochondria transfer of EVs derived from the same species as the recipient cell (mBEC-EVs and recipient mBECs or hBECs-EVs and recipient hBECs) vs . cross-species EVs and recipient cells (mBEC-EVs and recipient hBECs or vice versa ). Our results showed that while both hBEC- and mBEC-EVs transferred EV mitochondria, mBEC-EVs outperformed hBEC-EVs in increasing ATP levels and improved recipient mBEC mitochondrial function via increasing oxygen consumption rates. mBEC-EVs significantly reduced brain infarct volume and neurological deficit scores compared to vehicle-injected MCAo mice. The superior therapeutic efficacy of mBEC-EVs in a mouse MCAo stroke support the continued use of mBEC-EVs to optimize the therapeutic potential of mitochondria-containing EVs in preclinical mouse models.
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4
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Collins HE, Alexander BT, Care AS, Davenport MH, Davidge ST, Eghbali M, Giussani DA, Hoes MF, Julian CG, LaVoie HA, Olfert IM, Ozanne SE, Bytautiene Prewit E, Warrington JP, Zhang L, Goulopoulou S. Guidelines for assessing maternal cardiovascular physiology during pregnancy and postpartum. Am J Physiol Heart Circ Physiol 2024; 327:H191-H220. [PMID: 38758127 DOI: 10.1152/ajpheart.00055.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 04/22/2024] [Accepted: 05/08/2024] [Indexed: 05/18/2024]
Abstract
Maternal mortality rates are at an all-time high across the world and are set to increase in subsequent years. Cardiovascular disease is the leading cause of death during pregnancy and postpartum, especially in the United States. Therefore, understanding the physiological changes in the cardiovascular system during normal pregnancy is necessary to understand disease-related pathology. Significant systemic and cardiovascular physiological changes occur during pregnancy that are essential for supporting the maternal-fetal dyad. The physiological impact of pregnancy on the cardiovascular system has been examined in both experimental animal models and in humans. However, there is a continued need in this field of study to provide increased rigor and reproducibility. Therefore, these guidelines aim to provide information regarding best practices and recommendations to accurately and rigorously measure cardiovascular physiology during normal and cardiovascular disease-complicated pregnancies in human and animal models.
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Grants
- HL169157 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- HD083132 HHS | NIH | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- Jewish Heritage Fund for Excellence
- The Biotechnology and Biological Sciences Research Council
- P20GM103499 HHS | NIH | National Institute of General Medical Sciences (NIGMS)
- Distinguished University Professor
- HL146562 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- The Lister Insititute
- ES032920 HHS | NIH | National Institute of Environmental Health Sciences (NIEHS)
- Canadian Insitute's of Health Research Foundation Grant
- HL149608 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- Christenson professor In Active Healthy Living
- Royal Society (The Royal Society)
- U.S. Department of Defense (DOD)
- HL138181 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- MC_00014/4 UKRI | Medical Research Council (MRC)
- HD111908 HHS | NIH | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- HL163003 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- APP2002129 NHMRC Ideas Grant
- HL159865 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- British Heart Foundation (BHF)
- HL131182 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- HL163818 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- NS103017 HHS | NIH | National Institute of Neurological Disorders and Stroke (NINDS)
- HL143459 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- 20CSA35320107 American Heart Association (AHA)
- RG/17/12/33167 British Heart Foundation (BHF)
- National Heart Foundation Future Leader Fellowship
- P20GM121334 HHS | NIH | National Institute of General Medical Sciences (NIGMS)
- HL146562-04S1 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- HL155295 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- HD088590-06 HHS | NIH | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- HL147844 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- WVU SOM Synergy Grant
- R01 HL146562 NHLBI NIH HHS
- HL159447 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- ES034646-01 HHS | NIH | National Institute of Environmental Health Sciences (NIEHS)
- HL150472 HHS | NIH | National Heart, Lung, and Blood Institute (NHLBI)
- 2021T017 Dutch Heart Foundation Dekker Grant
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Affiliation(s)
- Helen E Collins
- University of Louisville, Louisville, Kentucky, United States
| | - Barbara T Alexander
- University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Alison S Care
- University of Adelaide, Adelaide, South Australia, Australia
| | | | | | - Mansoureh Eghbali
- University of California Los Angeles, Los Angeles, California, United States
| | | | | | - Colleen G Julian
- University of Colorado School of Medicine, Aurora, Colorado, United States
| | - Holly A LaVoie
- University of South Carolina School of Medicine, Columbia, South Carolina, United States
| | - I Mark Olfert
- West Virginia University School of Medicine, Morgantown, West Virginia, United States
| | | | | | - Junie P Warrington
- University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Lubo Zhang
- Loma Linda University School of Medicine, Loma Linda, California, United States
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5
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Qi S, Ngwa C, Al Mamun A, Romana S, Wu T, Marrelli SP, Arnold AP, McCullough LD, Liu F. X, but not Y, Chromosomal Complement Contributes to Stroke Sensitivity in Aged Animals. Transl Stroke Res 2023; 14:776-789. [PMID: 35906327 PMCID: PMC10490444 DOI: 10.1007/s12975-022-01070-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/07/2022] [Accepted: 07/21/2022] [Indexed: 01/16/2023]
Abstract
Post-menopausal women become vulnerable to stroke and have poorer outcomes and higher mortality than age-matched men, and previous studies suggested that sex chromosomes play a vital role in mediating stroke sensitivity in the aged. It is unknown if this is due to effects of the X or Y chromosome. The present study used the XY* mouse model (with four genotypes: XX and XO gonadal females and XY and XXY gonadal males) to compare the effect of the X vs. Y chromosome compliment in stroke. Aged (18-20 months) and gonadectomized young (8-12 weeks) mice were subjected to a 60-min middle cerebral artery occlusion. Infarct volume and behavioral deficits were quantified 3 days after stroke. Microglial activation and infiltration of peripheral leukocytes in the aged ischemic brain were assessed by flow cytometry. Plasma inflammatory cytokine levels by ELISA, and brain expression of two X chromosome-linked genes, KDM6A and KDM5C by immunochemistry, were also examined. Both aged and young XX and XXY mice had worse stroke outcomes compared to XO and XY mice, respectively; however, the difference between XX vs. XXY and XO vs. XY aged mice was minimal. Mice with two copies of the X chromosome showed more robust microglial activation, higher brain-infiltrating leukocytes, elevated plasma cytokine levels, and enhanced co-localization of KDM6A and KDM5C with Iba1+ cells after stroke than mice with one X chromosome. The number of X chromosomes mediates stroke sensitivity in aged mice, which might be processed through the X chromosome-linked genes and the inflammatory responses.
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Affiliation(s)
- Shaohua Qi
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, McGovern Medical School, 6431 Fannin Street, Houston, TX, 77030, USA
| | - Conelius Ngwa
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, McGovern Medical School, 6431 Fannin Street, Houston, TX, 77030, USA
| | - Abdullah Al Mamun
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, McGovern Medical School, 6431 Fannin Street, Houston, TX, 77030, USA
| | - Sharmeen Romana
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, McGovern Medical School, 6431 Fannin Street, Houston, TX, 77030, USA
| | - Ting Wu
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, McGovern Medical School, 6431 Fannin Street, Houston, TX, 77030, USA
| | - Sean P Marrelli
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, McGovern Medical School, 6431 Fannin Street, Houston, TX, 77030, USA
| | - Arthur P Arnold
- Department of Integrative Biology and Physiology, UCLA, 610 Charles Young Drive South, Los Angeles, CA, 90095, USA
| | - Louise D McCullough
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, McGovern Medical School, 6431 Fannin Street, Houston, TX, 77030, USA
| | - Fudong Liu
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, McGovern Medical School, 6431 Fannin Street, Houston, TX, 77030, USA.
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Jacobsen DP, Fjeldstad HE, Sugulle M, Johnsen GM, Olsen MB, Kanaan SB, Staff AC. Fetal microchimerism and the two-stage model of preeclampsia. J Reprod Immunol 2023; 159:104124. [PMID: 37541161 DOI: 10.1016/j.jri.2023.104124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 06/21/2023] [Accepted: 07/25/2023] [Indexed: 08/06/2023]
Abstract
Fetal cells cross the placenta during pregnancy and some have the ability to persist in maternal organs and circulation long-term, a phenomenon termed fetal microchimerism. These cells often belong to stem cell or immune cell lineages. The long-term effects of fetal microchimerism are likely mixed, potentially depending on the amount of fetal cells transferred, fetal-maternal histocompatibility and fetal cell-specific properties. Both human and animal data indicate that fetal-origin cells partake in tissue repair and may benefit maternal health overall. On the other hand, these cells have been implicated in inflammatory diseases by studies showing increased fetal microchimerism in women with autoimmune diseases such as systemic lupus erythematosus and rheumatoid arthritis. During pregnancy, preeclampsia is associated with increased cell-transfer between the mother and fetus, and an increase in immune cell subsets. In the current review, we discuss potential mechanisms of transplacental transfer, including passive leakage across the compromised diffusion barrier and active recruitment of cells residing in the placenta or fetal circulation. Within the conceptual framework of the two-stage model of preeclampsia, where syncytiotrophoblast stress is a common pathophysiological pathway to maternal and fetal clinical features of preeclampsia, we argue that microchimerism may represent a mechanistic link between stage 1 placental dysfunction and stage 2 maternal cardiovascular inflammation and endothelial dysfunction. Finally, we postulate that fetal microchimerism may contribute to the known association between placental syndromes and increased long-term maternal cardiovascular disease risk. Fetal microchimerism research represents an exciting opportunity for developing new disease biomarkers and targeted prophylaxis against maternal diseases.
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Affiliation(s)
- Daniel P Jacobsen
- Faculty of Medicine, University of Oslo, Oslo, Norway; Division of Obstetrics and Gynaecology, Oslo University Hospital, Ullevål, Oslo, Norway.
| | | | - Meryam Sugulle
- Faculty of Medicine, University of Oslo, Oslo, Norway; Division of Obstetrics and Gynaecology, Oslo University Hospital, Ullevål, Oslo, Norway
| | - Guro M Johnsen
- Division of Obstetrics and Gynaecology, Oslo University Hospital, Ullevål, Oslo, Norway
| | - Maria B Olsen
- Faculty of Medicine, University of Oslo, Oslo, Norway; Research Institute of Internal Medicine, Oslo University Hospital, Oslo, Norway
| | - Sami B Kanaan
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA; Chimerocyte, Inc., Seattle, WA, USA
| | - Anne Cathrine Staff
- Faculty of Medicine, University of Oslo, Oslo, Norway; Division of Obstetrics and Gynaecology, Oslo University Hospital, Ullevål, Oslo, Norway
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7
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Alkobtawi M, Sbeih M, Souaid K, Ngô QT, Nassar D, Arbes H, Guillet H, Habibi A, Bartolucci P, Castela M, Aractingi S, Oulès B. Contribution of fetal microchimeric cells to maternal wound healing in sickle cell ulcers. Haematologica 2023; 108:1920-1933. [PMID: 36373248 PMCID: PMC10316260 DOI: 10.3324/haematol.2022.281140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 10/31/2022] [Indexed: 08/18/2024] Open
Abstract
Leg ulcers are a major complication of sickle cell disease (SCD). They are particularly challenging to treat and innovative therapies are needed. We previously showed that the healing of SCD ulcers is delayed because of decreased angiogenesis. During pregnancy, fetal microchimeric cells (FMC) transferred to the mother are recruited to maternal wounds and improve angiogenesis. After delivery, FMC persist in maternal bone marrow for decades. Here, we investigated whether fetal cells could also improve SCD ulcers in the post-partum setting. We found that skin healing was similarly improved in post-partum mice and in pregnant mice, through increased proliferation and angiogenesis. In a SCD mouse model that recapitulates refractory SCD ulcers, we showed that the ulcers of post-partum SCD mice healed more quickly than those of virgin mice. This was associated with the recruitment of fetal cells in maternal wounds where they harbored markers of leukocytes and endothelial cells. In a retrospective cohort of SCD patients, using several parameters we found that SCD women who had ever had a baby had less of a burden related to leg ulcers compared to nulliparous women. Taken together, these results indicate that healing capacities of FMC are maintained long after delivery and may be exploited to promote wound healing in post-partum SCD patients.
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Affiliation(s)
- Mansour Alkobtawi
- Cutaneous Biology Lab, Institut Cochin, INSERM U1016, UMR 8104, Paris
| | - Maria Sbeih
- Cutaneous Biology Lab, Institut Cochin, INSERM U1016, UMR 8104, Paris
| | - Karim Souaid
- Department of Dermatology, Hôpital Cochin, AP-HP.Centre-Université Paris Cité, Paris, France; University Paris Cité, Faculté de Médecine Paris Centre Santé, Paris
| | - Qui Trung Ngô
- Cutaneous Biology Lab, Institut Cochin, INSERM U1016, UMR 8104, Paris
| | - Dany Nassar
- Cutaneous Biology Lab, Institut Cochin, INSERM U1016, UMR 8104, Paris, France; Department of Dermatology, Hôpital Cochin, AP-HP.Centre-Université Paris Cité, Paris, France; University Paris Cité, Faculté de Médecine Paris Centre Santé, Paris
| | - Hugo Arbes
- Institut de Biologie Intégrative de la Cellule, Genomic structure and Translation Lab, UMR_9198, CEA, CNRS, Université Paris-Saclay, Orsay
| | - Henri Guillet
- Department of Internal Medicine, Red Blood Cell Genetic Diseases Unit, Hôpital Mondor, AP-HP. Hôpitaux Universitaires Henri Mondor, Créteil
| | - Anoosha Habibi
- Department of Internal Medicine, Red Blood Cell Genetic Diseases Unit, Hôpital Mondor, AP-HP. Hôpitaux Universitaires Henri Mondor, Créteil
| | - Pablo Bartolucci
- Department of Internal Medicine, Red Blood Cell Genetic Diseases Unit, Hôpital Mondor, AP-HP. Hôpitaux Universitaires Henri Mondor, Créteil
| | - Mathieu Castela
- Cutaneous Biology Lab, Institut Cochin, INSERM U1016, UMR 8104, Paris
| | - Sélim Aractingi
- Cutaneous Biology Lab, Institut Cochin, INSERM U1016, UMR 8104, Paris, France; Department of Dermatology, Hôpital Cochin, AP-HP.Centre-Université Paris Cité, Paris, France; University Paris Cité, Faculté de Médecine Paris Centre Santé, Paris.
| | - Bénédicte Oulès
- Cutaneous Biology Lab, Institut Cochin, INSERM U1016, UMR 8104, Paris, France; Department of Dermatology, Hôpital Cochin, AP-HP.Centre-Université Paris Cité, Paris, France; University Paris Cité, Faculté de Médecine Paris Centre Santé, Paris
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8
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Puri TA, Richard JE, Galea LAM. Beyond sex differences: short- and long-term effects of pregnancy on the brain. Trends Neurosci 2023; 46:459-471. [PMID: 37120339 DOI: 10.1016/j.tins.2023.03.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 03/06/2023] [Accepted: 03/21/2023] [Indexed: 05/01/2023]
Abstract
Growing attention has been directed to the inclusion of females in neuroscience studies, and to the importance of studying sex as a biological variable. However, how female-specific factors such as menopause and pregnancy, affect the brain remains understudied. In this review, we use pregnancy as a case in point of a female-unique experience that can alter neuroplasticity, neuroinflammation, and cognition. We examine studies in both humans and rodents indicating that pregnancy can modify neural function in the short term, as well as alter the trajectory of brain aging. Furthermore, we discuss the influence of maternal age, fetal sex, number of pregnancies, and presence of pregnancy complications on brain health outcomes. We conclude by encouraging the scientific community to prioritize researching female health by recognizing and including factors such as pregnancy history in research.
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Affiliation(s)
- Tanvi A Puri
- Graduate Program in Neuroscience, University of British Columbia, Vancouver, BC, Canada; Djavad Mowafaghian Center for Brain Health, University of British Columbia, Vancouver, BC, Canada
| | - Jennifer E Richard
- Djavad Mowafaghian Center for Brain Health, University of British Columbia, Vancouver, BC, Canada; Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
| | - Liisa A M Galea
- Graduate Program in Neuroscience, University of British Columbia, Vancouver, BC, Canada; Djavad Mowafaghian Center for Brain Health, University of British Columbia, Vancouver, BC, Canada; Department of Psychology, University of British Columbia, Vancouver, BC, Canada; Centre for Addiction and Mental Health, Toronto, ON, Canada; Department of Psychiatry, University of Toronto, Toronto, ON, Canada.
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9
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Warrington JP, Jones-Muhammad M, Thompson RO, Pryor T, Shao Q, Gunturu M. Retinal Venule Coverage by Pericytes Decreases in Multiparous Mice in a Time-Dependent Manner Post-Delivery. Int J Mol Sci 2023; 24:3967. [PMID: 36835376 PMCID: PMC9958816 DOI: 10.3390/ijms24043967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/13/2023] [Accepted: 02/14/2023] [Indexed: 02/18/2023] Open
Abstract
Structural changes in the retinal vasculature have been linked to increased cardiovascular risks and also change as a function of age. Because multiparity has been associated with poorer cardiovascular health scores, we hypothesized that changes in retinal vascular caliber would be observed in multiparous, compared to nulliparous, females and retired breeder males. Age-matched nulliparous (n = 6) and multiparous (n = 11, retired breeder females with 4 ± 1 litters), and male breeder (n = 7) SMA-GFP reporter mice were included for assessment of retinal vascular structure. Multiparous females had higher body mass, heart weight, and kidney weight compared to nulliparous mice, with lower kidney and higher brain weight compared to male breeders. There was no difference in number of retinal arterioles or venules, or arteriole or venule diameter among groups; however, venous pericyte density (number per venule area) decreased in multiparous vs. nulliparous mice and was negatively associated with the time since last litter and with age. Our results suggest that the time elapsed since delivery is an important factor to be considered in multiparity studies. Taken together, changes in vascular structure and potentially function, are time- and age-dependent. Ongoing and future work will determine whether structural changes are associated with functional consequences at the blood-retinal barrier.
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Affiliation(s)
- Junie P. Warrington
- Department of Neurology, University of Mississippi Medical Center, Jackson, MS 39216, USA
| | - Maria Jones-Muhammad
- Program in Neuroscience, University of Mississippi Medical Center, Jackson, MS 39216, USA
| | - Rachael O. Thompson
- Department of Neurology, University of Mississippi Medical Center, Jackson, MS 39216, USA
| | - Tyranny Pryor
- Department of Neurology, University of Mississippi Medical Center, Jackson, MS 39216, USA
| | - Qingmei Shao
- Department of Neurology, University of Mississippi Medical Center, Jackson, MS 39216, USA
| | - Manasa Gunturu
- Department of Neurology, University of Mississippi Medical Center, Jackson, MS 39216, USA
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10
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Multiparity Differentially Affects Specific Aspects of the Acute Neuroinflammatory Response to Traumatic Brain Injury in Female Mice. Neuroscience 2023; 511:86-99. [PMID: 36535576 DOI: 10.1016/j.neuroscience.2022.12.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 12/05/2022] [Accepted: 12/11/2022] [Indexed: 12/23/2022]
Abstract
Pregnancy is associated with profound acute and long-term physiological changes, but the effects of such changes on brain injury outcomes are unclear. Here, we examined the effects of previous pregnancy and maternal experience (parity) on acute neuroinflammatory responses to lateral fluid percussion injury (FPI), a well-defined experimental traumatic brain injury (TBI) paradigm. Multiparous (2-3 pregnancies and motherhood experiences) and age-matched nulliparous (no previous pregnancy or motherhood experience) female mice received either FPI or sham injury and were euthanized 3 days post-injury (DPI). Increased cortical Iba1, GFAP, and CD68 immunolabeling was observed following TBI independent of parity and microglia morphology did not differ between TBI groups. However, multiparous females had fewer CD45+ cells near the site of injury compared to nulliparous females, which was associated with preserved aquaporin-4 polarization, suggesting that parity may influence leukocyte recruitment to the site of injury and maintenance of blood brain barrier permeability following TBI. Additionally, relative cortical Il6 gene expression following TBI was dependent on parity such that TBI increased Il6 expression in nulliparous, but not multiparous, mice. Together, this work suggests that reproductive history may influence acute neuroinflammatory outcomes following TBI in females.
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11
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CCL2 recruits fetal microchimeric cells and dampens maternal brain damage in post-partum mice. Neurobiol Dis 2022; 174:105892. [DOI: 10.1016/j.nbd.2022.105892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 10/06/2022] [Accepted: 10/08/2022] [Indexed: 11/19/2022] Open
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12
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Cui Q, Zhang Y, Tian N, Yang J, Ya D, Xiang W, Zhou Z, Jiang Y, Deng J, Yang B, Lin X, Li Q, Liao R. Leptin Promotes Angiogenesis via Pericyte STAT3 Pathway upon Intracerebral Hemorrhage. Cells 2022; 11:cells11172755. [PMID: 36078162 PMCID: PMC9454866 DOI: 10.3390/cells11172755] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 08/15/2022] [Accepted: 08/16/2022] [Indexed: 11/22/2022] Open
Abstract
Angiogenesis is a vital endogenous brain self-repair processes for neurological recovery after intracerebral hemorrhage (ICH). Increasing evidence suggests that leptin potentiates angiogenesis and plays a beneficial role in stroke. However, the proangiogenic effect of leptin on ICH has not been adequately explored. Moreover, leptin triggers post-ICH angiogenesis through pericyte, an important component of forming new blood vessels, which remains unclear. Here, we reported that exogenous leptin infusion dose-dependent promoted vascular endothelial cells survival and proliferation at chronic stage of ICH mice. Additionally, leptin robustly ameliorated pericytes loss, enhanced pericytes proliferation and migration in ICH mice in vivo, and in ICH human brain microvascular pericytes (HBVPC) in vitro. Notably, we showed that pericytes-derived pro-angiogenic factors were responsible for enhancing the survival, proliferation and tube formation followed leptin treatment in human brain microvascular endothelial cells (HCMEC/D3)/HBVPC co-culture models. Importantly, considerable improvements in neurobehavioral function and hostile microenvironment were observed in leptin treatment ICH mice, indicating that better vascular functionality post ICH improves outcome. Mechanistically, this study unveiled that leptin boost post-ICH angiogenesis potentially through modulation of leptin receptor (leptinR)/Signal Transducer and Activator of Transcription 3 (STAT3) signaling pathway in pericyte. Thus, leptin may be a lucrative option for the treatment of ICH.
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Affiliation(s)
- Qi Cui
- Laboratory of Neuroscience, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
- Department of Neurology, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
| | - Yingmei Zhang
- Laboratory of Neuroscience, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
- Department of Neurology, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
| | - Ning Tian
- Laboratory of Neuroscience, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
- Guangxi Clinical Research Center for Neurological Diseases, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
| | - Jiaxin Yang
- Laboratory of Neuroscience, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
- Department of Neurology, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
| | - Dongshan Ya
- Laboratory of Neuroscience, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
- Department of Neurology, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
| | - Wenjing Xiang
- Laboratory of Neuroscience, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
- Department of Neurology, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
| | - Zixian Zhou
- Laboratory of Neuroscience, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
- Department of Neurology, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
| | - Yanlin Jiang
- Department of Pharmacology, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
| | - Jungang Deng
- Department of Pharmacology, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
| | - Bin Yang
- Guangxi Clinical Research Center for Neurological Diseases, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
| | - Xiaohui Lin
- Department of Geriatrics, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
| | - Qinghua Li
- Laboratory of Neuroscience, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
- Department of Neurology, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
- Guangxi Clinical Research Center for Neurological Diseases, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
| | - Rujia Liao
- Laboratory of Neuroscience, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
- Department of Neurology, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
- Guangxi Clinical Research Center for Neurological Diseases, Affiliated Hospital of Guilin Medical University, Guilin Medical University, Guilin 541004, China
- Correspondence: ; Tel.: +86-0773-2833025
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13
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Ngwa C, Al Mamun A, Qi S, Sharmeen R, Xu Y, Liu F. Regulation of microglial activation in stroke in aged mice: a translational study. Aging (Albany NY) 2022; 14:6047-6065. [PMID: 35963621 PMCID: PMC9417226 DOI: 10.18632/aging.204216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 06/14/2022] [Indexed: 11/25/2022]
Abstract
Numerous neurochemical changes occur with aging and stroke mainly affects the elderly. Our previous study has found interferon regulatory factor 5 (IRF5) and 4 (IRF4) regulate neuroinflammation in young stroke mice. However, whether the IRF5-IRF4 regulatory axis has the same effect in aged brains is not known. In this study, aged (18-20-month-old), microglial IRF5 or IRF4 conditional knockout (CKO) mice were subjected to a 60-min middle cerebral artery occlusion (MCAO). Stroke outcomes were quantified at 3d after MCAO. Flow cytometry and ELISA were performed to evaluate microglial activation and immune responses. We found aged microglia express higher levels of IRF5 and lower levels of IRF4 than young microglia after stroke. IRF5 CKO aged mice had improved stroke outcomes; whereas worse outcomes were seen in IRF4 CKO vs. their flox controls. IRF5 CKO aged microglia had significantly lower levels of IL-1β and CD68 than controls; whereas significantly higher levels of IL-1β and TNF-α were seen in IRF4 CKO vs. control microglia. Plasma levels of TNF-α and MIP-1α were decreased in IRF5 CKO vs. flox aged mice, and IL-1β/IL-6 levels were increased in IRF4 CKO vs. controls. The anti-inflammatory cytokines (IL-4/IL-10) levels were higher in IRF5 CKO, and lower in IRF4 CKO aged mice vs. their flox controls. IRF5 and IRF4 signaling drives microglial pro- and anti-inflammatory response respectively; microglial IRF5 is detrimental and IRF4 beneficial for aged mice in stroke. IRF5-IRF4 axis is a promising target for developing new, effective therapeutic strategies for the cerebral ischemia.
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Affiliation(s)
- Conelius Ngwa
- Department of Neurology, The University of Texas Health Science Center at Houston, McGovern Medical School, Houston, TX 77030, USA
| | - Abdullah Al Mamun
- Department of Neurology, The University of Texas Health Science Center at Houston, McGovern Medical School, Houston, TX 77030, USA
| | - Shaohua Qi
- Department of Neurology, The University of Texas Health Science Center at Houston, McGovern Medical School, Houston, TX 77030, USA
| | - Romana Sharmeen
- Department of Neurology, The University of Texas Health Science Center at Houston, McGovern Medical School, Houston, TX 77030, USA
| | - Yan Xu
- Department of Neurology, The University of Texas Health Science Center at Houston, McGovern Medical School, Houston, TX 77030, USA
| | - Fudong Liu
- Department of Neurology, The University of Texas Health Science Center at Houston, McGovern Medical School, Houston, TX 77030, USA
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14
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Guan X, Iyaswamy A, Sreenivasmurthy SG, Su C, Zhu Z, Liu J, Kan Y, Cheung KH, Lu J, Tan J, Li M. Mechanistic Insights into Selective Autophagy Subtypes in Alzheimer's Disease. Int J Mol Sci 2022; 23:ijms23073609. [PMID: 35408965 PMCID: PMC8998506 DOI: 10.3390/ijms23073609] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 03/22/2022] [Accepted: 03/23/2022] [Indexed: 02/01/2023] Open
Abstract
Eukaryotic cells possess a plethora of regulatory mechanisms to maintain homeostasis and ensure proper biochemical functionality. Autophagy, a central, conserved self-consuming process of the cell, ensures the timely degradation of damaged cellular components. Several studies have demonstrated the important roles of autophagy activation in mitigating neurodegenerative diseases, especially Alzheimer's disease (AD). However, surprisingly, activation of macroautophagy has not shown clinical efficacy. Hence, alternative strategies are urgently needed for AD therapy. In recent years, selective autophagy has been reported to be involved in AD pathology, and different subtypes have been identified, such as aggrephagy, mitophagy, reticulophagy, lipophagy, pexophagy, nucleophagy, lysophagy and ribophagy. By clarifying the underlying mechanisms governing these various subtypes, we may come to understand how to control autophagy to treat AD. In this review, we summarize the latest findings concerning the role of selective autophagy in the pathogenesis of AD. The evidence overwhelmingly suggests that selective autophagy is an active mechanism in AD pathology, and that regulating selective autophagy would be an effective strategy for controlling this pathogenesis.
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Affiliation(s)
- Xinjie Guan
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen 518057, China
| | - Ashok Iyaswamy
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen 518057, China
| | - Sravan Gopalkrishnashetty Sreenivasmurthy
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen 518057, China
| | - Chengfu Su
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen 518057, China
| | - Zhou Zhu
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen 518057, China
| | - Jia Liu
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen 518057, China
| | - Yuxuan Kan
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
| | - King-Ho Cheung
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen 518057, China
| | - Jiahong Lu
- State Key Lab of Quality Research in Chinese Medicine, University of Macau, Macao, China;
| | - Jieqiong Tan
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha 410000, China
- Correspondence: (J.T.); (M.L.)
| | - Min Li
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson’s Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China; (X.G.); (A.I.); (S.G.S.); (C.S.); (Z.Z.); (J.L.); (Y.K.); (K.-H.C.)
- Institute for Research and Continuing Education, Hong Kong Baptist University, Shenzhen 518057, China
- Correspondence: (J.T.); (M.L.)
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15
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Miller EC, Wilczek A, Bello NA, Tom S, Wapner R, Suh Y. Pregnancy, preeclampsia and maternal aging: From epidemiology to functional genomics. Ageing Res Rev 2022; 73:101535. [PMID: 34871806 PMCID: PMC8827396 DOI: 10.1016/j.arr.2021.101535] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 11/15/2021] [Accepted: 12/01/2021] [Indexed: 01/03/2023]
Abstract
Women live longer than men but experience greater disability and a longer period of illness as they age. Despite clear sex differences in aging, the impact of pregnancy and its complications, such as preeclampsia, on aging is an underexplored area of geroscience. This review summarizes our current knowledge about the complex links between pregnancy and age-related diseases, including evidence from epidemiology, clinical research, and genetics. We discuss the relationship between normal and pathological pregnancy and maternal aging, using preeclampsia as a primary example. We review the results of human genetics studies of preeclampsia, including genome wide association studies (GWAS), and attempted to catalog genes involved in preeclampsia as a gateway to mechanisms underlying an increased risk of later life cardio- and neuro- vascular events. Lastly, we discuss challenges in interpreting the GWAS of preeclampsia and provide a functional genomics framework for future research needed to fully realize the promise of GWAS in identifying targets for geroprotective prevention and therapeutics against preeclampsia.
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Affiliation(s)
- Eliza C. Miller
- Department of Neurology, Division of Stroke and Cerebrovascular Disease, Columbia University Irving Medical Center, New York, NY, USA
| | - Ashley Wilczek
- Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, New York, NY, USA
| | - Natalie A. Bello
- Department of Medicine, Division of Cardiology, Columbia University Irving Medical Center, New York, NY, USA
| | - Sarah Tom
- Department of Neurology, Division of Neurology Clinical Outcomes Research and Population Science and the Department of Epidemiology, Columbia University Irving Medical Center, New York, NY, USA
| | - Ronald Wapner
- Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, New York, NY, USA.
| | - Yousin Suh
- Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, New York, NY, USA; Department of Genetics and Development, Columbia University Irving Medical Center, New York, NY, USA.
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16
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Kaushik P, Ali M, Salman M, Tabassum H, Parvez S. Harnessing the mitochondrial integrity for neuroprotection: Therapeutic role of piperine against experimental ischemic stroke. Neurochem Int 2021; 149:105138. [PMID: 34284077 DOI: 10.1016/j.neuint.2021.105138] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 07/10/2021] [Accepted: 07/12/2021] [Indexed: 01/13/2023]
Abstract
Ischemic stroke (IS) is a rapidly increasing global burden and is associated with severe neurological decline and mortality. There is urgent requirement of the efforts, aimed to identify therapeutic strategies that are effective in clinic to promote significant recovery from IS. Studies have shown that mitochondria mediated neuroprotection can be a competent target against ischemic damage. Therefore, we examined whether mitochondrial impairment is regulated by Piperine (PIP), an alkaloid of Piper Longum, which has neuroprotective activity against ischemic brain injury. In this study, transient middle cerebral artery occlusion (tMCAO) surgery was performed on male Wistar rats for 90 min followed by 22.5 h of reperfusion for mimicking the IS condition. This study consisted of three groups: sham, tMCAO and tMCAO + PIP (10 mg/kg b.wt., p.o/day for 15 days), and studied for behavioral tests, infarct volume, brain pathological changes, mitochondrial dysfunction, inflammation alongwith cell survival status. PIP pre-treatment showed reduction in neurological alterations and infarct volume. In addition, PIP pre-treatment suppressed the mitochondrial dysfunction and might have anti-apoptotic potential by preventing Cytochrome c (Cyt c) release from mitochondria to cytoplasm and caspase 3 activation. It also regulates pro-apoptotic, Bax and anti-apoptotic, Bcl-2 proteins accompanied by glial fibrillary acidic protein (GFAP) positive cells in cortex region. Quantitative Reverse transcription-polymerase chain reaction (qRT-PCR) results also showed that PIP reduced the expression of pro-inflammatory protein, interleukin-1 β (IL-1β) and enhanced cell survival by restoring the activity of brain derived neurotrophic factor (BDNF) and its transcription protein, cAMP response element binding protein (CREB). Taken together, PIP reduced the mitochondrial dysfunction, neurological impairment, and enhanced neuronal survival. In conclusion, our findings reinforce PIP as an effective neuroprotective agent and provide important evidence about its role as a potential target to serve as a promising therapy for treatment of IS.
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Affiliation(s)
- Pooja Kaushik
- Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, 110062, India
| | - Mubashshir Ali
- Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, 110062, India
| | - Mohd Salman
- Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, 110062, India
| | - Heena Tabassum
- Division of Basic Medical Sciences, Indian Council of Medical Research, Ministry of Health and Family Welfare, Government of India, V. Ramalingaswamy Bhawan, New Delhi, 110029, India
| | - Suhel Parvez
- Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, 110062, India.
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17
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Rosner M, Kolbe T, Hengstschläger M. Fetomaternal microchimerism and genetic diagnosis: On the origins of fetal cells and cell-free fetal DNA in the pregnant woman. MUTATION RESEARCH. REVIEWS IN MUTATION RESEARCH 2021; 788:108399. [PMID: 34893150 DOI: 10.1016/j.mrrev.2021.108399] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 11/11/2021] [Accepted: 11/14/2021] [Indexed: 06/14/2023]
Abstract
During pregnancy several types of fetal cells and fetal stem cells, including pregnancy-associated progenitor cells (PAPCs), traffic into the maternal circulation. Whereas they also migrate to various maternal organs and adopt the phenotype of the target tissues to contribute to regenerative processes, fetal cells also play a role in the pathogenesis of maternal diseases. In addition, cell-free fetal DNA (cffDNA) is detectable in the plasma of pregnant women. Together they constitute the well-known phenomenon of fetomaternal microchimerism, which inspired the concept of non-invasive prenatal testing (NIPT) using maternal blood. An in-depth knowledge concerning the origins of these fetal cells and cffDNA allows a more comprehensive understanding of the biological relevance of fetomaternal microchimerism and has implications for the ongoing expansion of resultant clinical applications.
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Affiliation(s)
- Margit Rosner
- Institute of Medical Genetics, Center for Pathobiochemistry and Genetics, Medical University of Vienna, Vienna, Austria
| | - Thomas Kolbe
- Biomodels Austria, University of Veterinary Medicine Vienna, Vienna, Austria; Department IFA Tulln, University of Natural Resources and Life Sciences, Tulln, Austria
| | - Markus Hengstschläger
- Institute of Medical Genetics, Center for Pathobiochemistry and Genetics, Medical University of Vienna, Vienna, Austria.
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18
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Matano Y, Nojiri Y, Nomura M, Masuda A, Moriike Y, Suzuki Y, Umemura K, Nagai N. Repair of brain damage size and recovery of neurological dysfunction after ischemic stroke are different between strains in mice: evaluation using a novel ischemic stroke model. Exp Anim 2021; 70:344-354. [PMID: 33731549 PMCID: PMC8390305 DOI: 10.1538/expanim.20-0182] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
In the current study, we established a novel murine ischemic brain damage model using a photochemical reaction to evaluate the recovery of neurological
dysfunction and brain repair reactions. In this model, reproducible damage was induced in the frontal lobe of the cortex, which was accompanied by neurological
dysfunction. Sequential changes in damage size, microglial accumulation, astrocyte activation, and neurological dysfunction were studied in C57BL/6J and BALB/c
mouse strains. Although the initial size of damage was comparable in both strains, the extent of damage was later reduced to a greater extent in C57BL/6J mice
than that in BALB/c mice. In addition, C57BL/6J mice showed later edema clearance until day 7, less microglial accumulation, and relatively more astrocyte
activation on day 7. Neurologic dysfunction was evaluated by three behavioral tests: the von Frey test, the balance beam test, and the tail suspension test. The
behavioral abnormalities evaluated by these tests were remarkable following the induction of damage and recovered by day 21 in both strains. However, the
abnormalities were more prominent and the recovery was later in C57BL/6J mice. These findings demonstrate that our novel ischemic stroke model is useful for
evaluating brain repair reactions and the recovery of neurological dysfunction in mice with different genetic backgrounds. In addition, we found that both the
brain repair reactions and the recovery of neurological dysfunction after comparable ischemic brain damage varied between strains; in that, they both occurred
later in C57BL/6J mice.
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Affiliation(s)
- Yasuki Matano
- Laboratory of Animal Physiology, Division of Bioscience, Nagahama Institute of Bio-Science and Technology, 1266 Tamura, Nagahama, Shiga 526-0829, Japan
| | - Yuuto Nojiri
- Laboratory of Animal Physiology, Division of Bioscience, Nagahama Institute of Bio-Science and Technology, 1266 Tamura, Nagahama, Shiga 526-0829, Japan
| | - Mizuki Nomura
- Laboratory of Animal Physiology, Division of Bioscience, Nagahama Institute of Bio-Science and Technology, 1266 Tamura, Nagahama, Shiga 526-0829, Japan
| | - Akira Masuda
- Laboratory of Animal Physiology, Division of Bioscience, Nagahama Institute of Bio-Science and Technology, 1266 Tamura, Nagahama, Shiga 526-0829, Japan
| | - Yuuki Moriike
- Laboratory of Animal Physiology, Division of Bioscience, Nagahama Institute of Bio-Science and Technology, 1266 Tamura, Nagahama, Shiga 526-0829, Japan
| | - Yasuhiro Suzuki
- School of Pharmaceutical Sciences, Faculty of Pharmacy, Ohu University, 31-1 Sankaku-do, Tomita-cho, Kohriyama, Fukushima 963-8611, Japan
| | - Kazuo Umemura
- Department of Pharmacology, Hamamatsu University School of Medicine, 1-20-1 Handa-yama, Higashi-ku, Hamamatsu, Shizuoka 431-3125, Japan
| | - Nobuo Nagai
- Laboratory of Animal Physiology, Division of Bioscience, Nagahama Institute of Bio-Science and Technology, 1266 Tamura, Nagahama, Shiga 526-0829, Japan
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Orchard ER, Ward PGD, Chopra S, Storey E, Egan GF, Jamadar SD. Neuroprotective Effects of Motherhood on Brain Function in Late Life: A Resting-State fMRI Study. Cereb Cortex 2021; 31:1270-1283. [PMID: 33067999 PMCID: PMC7906778 DOI: 10.1093/cercor/bhaa293] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 09/06/2020] [Accepted: 09/08/2020] [Indexed: 12/13/2022] Open
Abstract
The maternal brain undergoes structural and functional plasticity during pregnancy and the postpartum period. Little is known about functional plasticity outside caregiving-specific contexts and whether changes persist across the lifespan. Structural neuroimaging studies suggest that parenthood may confer a protective effect against the aging process; however, it is unknown whether parenthood is associated with functional brain differences in late life. We examined the relationship between resting-state functional connectivity and number of children parented in 220 healthy older females (73.82 ± 3.53 years) and 252 healthy older males (73.95 ± 3.50 years). We compared the patterns of resting-state functional connectivity with 3 different models of age-related functional change to assess whether these effects may be functionally neuroprotective for the aging human parental brain. No relationship between functional connectivity and number of children was obtained for males. For females, we found widespread decreasing functional connectivity with increasing number of children parented, with increased segregation between networks, decreased connectivity between hemispheres, and decreased connectivity between anterior and posterior regions. The patterns of functional connectivity related to the number of children an older woman has parented were in the opposite direction to those usually associated with age-related cognitive decline, suggesting that motherhood may be beneficial for brain function in late life.
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Affiliation(s)
- Edwina R Orchard
- Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC 3800, Australia
- Monash Biomedical Imaging, Monash University, Melbourne, VIC 3800, Australia
- Australian Research Council Centre of Excellence for Integrative Brain Function, Melbourne, Australia
| | - Phillip G D Ward
- Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC 3800, Australia
- Monash Biomedical Imaging, Monash University, Melbourne, VIC 3800, Australia
- Australian Research Council Centre of Excellence for Integrative Brain Function, Melbourne, Australia
| | - Sidhant Chopra
- Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC 3800, Australia
- Monash Biomedical Imaging, Monash University, Melbourne, VIC 3800, Australia
| | - Elsdon Storey
- Department of Epidemiology and Preventative Medicine, Monash University, Melbourne, VIC 3800, Australia
- Department of Neuroscience (Medicine), Monash University, The Alfred Centre, Melbourne, VIC 3800, Australia
| | - Gary F Egan
- Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC 3800, Australia
- Monash Biomedical Imaging, Monash University, Melbourne, VIC 3800, Australia
- Australian Research Council Centre of Excellence for Integrative Brain Function, Melbourne, Australia
| | - Sharna D Jamadar
- Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC 3800, Australia
- Monash Biomedical Imaging, Monash University, Melbourne, VIC 3800, Australia
- Australian Research Council Centre of Excellence for Integrative Brain Function, Melbourne, Australia
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20
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Bianchi DW, Khosrotehrani K, Way SS, MacKenzie TC, Bajema I, O'Donoghue K. Forever Connected: The Lifelong Biological Consequences of Fetomaternal and Maternofetal Microchimerism. Clin Chem 2020; 67:351-362. [PMID: 33417673 PMCID: PMC10072000 DOI: 10.1093/clinchem/hvaa304] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Accepted: 10/28/2020] [Indexed: 01/07/2023]
Abstract
BACKGROUND Originally studied as a mechanism to understand eclampsia-related deaths during pregnancy, fetal cells in maternal blood have more recently garnered attention as a noninvasive source of fetal material for prenatal testing. In the 21st century, however, intact fetal cells have been largely supplanted by circulating cell-free placental DNA for aneuploidy screening. Instead, interest has pivoted to the ways in which fetal cells influence maternal biology. In parallel, an increasing appreciation of the consequences of maternal cells in the developing fetus has occurred. CONTENT In this review, we highlight the potential clinical applications and functional consequences of the bidirectional trafficking of intact cells between a pregnant woman and her fetus. Fetal cells play a potential role in the pathogenesis of maternal disease and tissue repair. Maternal cells play an essential role in educating the fetal immune system and as a factor in transplant acceptance. Naturally occurring maternal microchimerism is also being explored as a source of hematopoietic stem cells for transplant in fetal hematopoietic disorders. SUMMARY Future investigations in humans need to include complete pregnancy histories to understand maternal health and transplant success or failure. Animal models are useful to understand the mechanisms underlying fetal wound healing and/or repair associated with maternal injury and inflammation. The lifelong consequences of the exchange of cells between a mother and her child are profound and have many applications in development, health, and disease. This intricate exchange of genetically foreign cells creates a permanent connection that contributes to the survival of both individuals.
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Affiliation(s)
- Diana W Bianchi
- National Human Genome Research Institute and Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - Kiarash Khosrotehrani
- Experimental Dermatology Group, The University of Queensland, UQ Diamantina Institute, Brisbane, Queensland, Australia
| | - Sing Sing Way
- Division of Infectious Diseases, Center for Inflammation and Tolerance, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Tippi C MacKenzie
- Center for Maternal-Fetal Precision Medicine and the Department of Surgery, University of California, San Francisco, CA, USA
| | - Ingeborg Bajema
- Department of Pathology, Leiden University Medical Center, Leiden, The Netherlands
| | - Keelin O'Donoghue
- Irish Centre for Maternal and Child Health (INFANT), University College Cork, Cork, Ireland
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21
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Plant M, Armstrong C, Ruggiero A, Sherrill C, Uberseder B, Jeffries R, Nevarez J, Jorgensen MJ, Kavanagh K, Quinn MA. Advanced maternal age impacts physiologic adaptations to pregnancy in vervet monkeys. GeroScience 2020; 42:1649-1661. [PMID: 32588342 PMCID: PMC7732933 DOI: 10.1007/s11357-020-00219-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 06/15/2020] [Indexed: 12/17/2022] Open
Abstract
The trend to delay pregnancy in the USA has resulted in the number of advanced maternal age (AMA) pregnancies to also increase. In humans, AMA is associated with a variety of pregnancy-related pathologies such as preeclampsia (PE). While AMA is known to be a factor which contributes to the development of pregnancy-induced diseases, the molecular and cellular mechanisms giving rise to this phenomenon are still very limited. This is due in part to lack of a preclinical model which has physiologic relevance to human pregnancy while also allowing control of environmental and genetic variability inherent in human studies. To determine potential physiologic relevance of the vervet/African green monkey (Chlorocebus aethiops sabaeus) as a preclinical model to study the effects of AMA on adaptations to pregnancy, thirteen age-diverse pregnant vervet monkeys (3-16 years old) were utilized to measure third trimester blood pressure (BP), complete blood count, iron measurements, and hormone levels. Significant associations were observed between third trimester diastolic BP and maternal age. Furthermore, the presence of leukocytosis with enhanced circulating neutrophils was observed in AMA mothers compared to younger mothers. Moreover, we observed a negative relationship between maternal age and estradiol, progesterone, and cortisol levels. Finally, offspring born to AMA mothers displayed a postnatal growth retardation phenotype. These studies demonstrate physiologic impairment in the adaptation to pregnancy in AMA vervet/African green monkeys. Our data indicate that the vervet/African green monkey may serve as a useful preclinical model and tool for deciphering pathological mediators of maternal disease in AMA pregnancy.
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Affiliation(s)
- Maren Plant
- Department of Pathology, Section on Comparative Medicine, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC, 27157, USA
| | - Cecilia Armstrong
- Department of Pathology, Section on Comparative Medicine, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC, 27157, USA
| | - Alistaire Ruggiero
- Department of Pathology, Section on Comparative Medicine, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC, 27157, USA
| | - Chrissy Sherrill
- Department of Pathology, Section on Comparative Medicine, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC, 27157, USA
| | - Beth Uberseder
- Department of Pathology, Section on Comparative Medicine, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC, 27157, USA
| | - Rachel Jeffries
- Department of Pathology, Section on Comparative Medicine, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC, 27157, USA
| | - Justin Nevarez
- Department of Pathology, Section on Comparative Medicine, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC, 27157, USA
| | - Matthew J Jorgensen
- Department of Pathology, Section on Comparative Medicine, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC, 27157, USA
| | - Kylie Kavanagh
- Department of Pathology, Section on Comparative Medicine, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC, 27157, USA
| | - Matthew A Quinn
- Department of Pathology, Section on Comparative Medicine, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC, 27157, USA.
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22
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Stepp MA, Pal-Ghosh S, Tadvalkar G, de Paiva CS. Parity Attenuates Intraepithelial Corneal Sensory Nerve Loss in Female Mice. Int J Mol Sci 2020; 21:E5172. [PMID: 32708332 PMCID: PMC7404034 DOI: 10.3390/ijms21145172] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/16/2020] [Accepted: 07/18/2020] [Indexed: 12/12/2022] Open
Abstract
Aging impacts the ocular surface and reduces intraepithelial corneal nerve (ICN) density in male and female mice. Many researchers use retired breeders to study naturally aged female mice. Yet, the impact of parity and the length of time since breeders were retired on age-related changes in the intraepithelial corneal nerves is not known. Here we study 2 month (M) nulliparous (NP) females as well as 9M, 10M, and 11M NP and multiparous (MP) female mice to determine whether parity impacts the age-related decline seen in corneal axon density; 9M male mice are also included in these assessments. After showing that parity attenuates age-related loss in axon density, we also assess the impact of parity on corneal epithelial cell proliferation and find that it impacts cell proliferation and axon density normalized by cell proliferation. Stromal nerve arborization is also impacted by aging with parity enhancing stromal nerves in older mice. qPCR was performed on 20 genes implicated in ICN density using corneal epithelial RNA isolated from 10M NP and MP mice and showed that NGF expression was significantly elevated in MP corneal epithelium. Corneal sensitivity was significantly higher in 9M MP mice compared to NP mice and increased sensitivity in MP mice was accompanied by increased nerve terminals in the apical and middle cell layers. Together, these data show that parity in mice attenuates several aspects of the age-related decline seen on the ocular surface by retaining sensory axons and corneal sensitivity as mice age.
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Affiliation(s)
- Mary Ann Stepp
- Department of Anatomy and Regenerative Biology, The George Washington University School of Medicine and Health Sciences, Washington, DC 20037, USA
- Department of Ophthalmology, The George Washington University School of Medicine and Health Sciences, Washington, DC 20037, USA
| | - Sonali Pal-Ghosh
- Department of Anatomy and Regenerative Biology, The George Washington University School of Medicine and Health Sciences, Washington, DC 20037, USA
| | - Gauri Tadvalkar
- Department of Anatomy and Regenerative Biology, The George Washington University School of Medicine and Health Sciences, Washington, DC 20037, USA
| | - Cintia S de Paiva
- Ocular Surface Center, Department of Ophthalmology, Cullen Eye Institute, Baylor College of Medicine, Houston, TX 77030, USA
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23
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Barth C, de Lange AMG. Towards an understanding of women's brain aging: the immunology of pregnancy and menopause. Front Neuroendocrinol 2020; 58:100850. [PMID: 32504632 DOI: 10.1016/j.yfrne.2020.100850] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 03/23/2020] [Accepted: 05/20/2020] [Indexed: 02/06/2023]
Abstract
Women are at significantly greater risk of developing Alzheimer's disease and show higher prevalence of autoimmune conditions relative to men. Women's brain health is historically understudied, and little is therefore known about the mechanisms underlying epidemiological sex differences in neurodegenerative diseases, and how female-specific factors may influence women's brain health across the lifespan. In this review, we summarize recent studies on the immunology of pregnancy and menopause, emphasizing that these major immunoendocrine transition phases may play a critical part in women's brain aging trajectories.
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Affiliation(s)
- Claudia Barth
- Norwegian Centre for Mental Disorders Research, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
| | - Ann-Marie G de Lange
- Department of Psychology, University of Oslo, Oslo, Norway; Norwegian Centre for Mental Disorders Research, Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford, UK.
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24
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Acosta-Martínez M. Shaping Microglial Phenotypes Through Estrogen Receptors: Relevance to Sex-Specific Neuroinflammatory Responses to Brain Injury and Disease. J Pharmacol Exp Ther 2020; 375:223-236. [DOI: 10.1124/jpet.119.264598] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 05/05/2020] [Indexed: 12/16/2022] Open
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25
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Reproducibility of animal research in light of biological variation. Nat Rev Neurosci 2020; 21:384-393. [PMID: 32488205 DOI: 10.1038/s41583-020-0313-3] [Citation(s) in RCA: 164] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2020] [Indexed: 12/16/2022]
Abstract
Context-dependent biological variation presents a unique challenge to the reproducibility of results in experimental animal research, because organisms' responses to experimental treatments can vary with both genotype and environmental conditions. In March 2019, experts in animal biology, experimental design and statistics convened in Blonay, Switzerland, to discuss strategies addressing this challenge. In contrast to the current gold standard of rigorous standardization in experimental animal research, we recommend the use of systematic heterogenization of study samples and conditions by actively incorporating biological variation into study design through diversifying study samples and conditions. Here we provide the scientific rationale for this approach in the hope that researchers, regulators, funders and editors can embrace this paradigm shift. We also present a road map towards better practices in view of improving the reproducibility of animal research.
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26
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Deems NP, Leuner B. Pregnancy, postpartum and parity: Resilience and vulnerability in brain health and disease. Front Neuroendocrinol 2020; 57:100820. [PMID: 31987814 PMCID: PMC7225072 DOI: 10.1016/j.yfrne.2020.100820] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 11/25/2019] [Accepted: 01/21/2020] [Indexed: 02/07/2023]
Abstract
Risk and resilience in brain health and disease can be influenced by a variety of factors. While there is a growing appreciation to consider sex as one of these factors, far less attention has been paid to sex-specific variables that may differentially impact females such as pregnancy and reproductive history. In this review, we focus on nervous system disorders which show a female bias and for which there is data from basic research and clinical studies pointing to modification in disease risk and progression during pregnancy, postpartum and/or as a result of parity: multiple sclerosis (MS), depression, stroke, and Alzheimer's disease (AD). In doing so, we join others (Shors, 2016; Galea et al., 2018a) in aiming to illustrate the importance of looking beyond sex in neuroscience research.
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Affiliation(s)
- Nicholas P Deems
- The Ohio State University, Department of Psychology, Columbus, OH, USA
| | - Benedetta Leuner
- The Ohio State University, Department of Psychology, Columbus, OH, USA.
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27
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Uzor NE, McCullough LD, Tsvetkov AS. Peroxisomal Dysfunction in Neurological Diseases and Brain Aging. Front Cell Neurosci 2020; 14:44. [PMID: 32210766 PMCID: PMC7075811 DOI: 10.3389/fncel.2020.00044] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 02/18/2020] [Indexed: 12/17/2022] Open
Abstract
Peroxisomes exist in most cells, where they participate in lipid metabolism, as well as scavenging the reactive oxygen species (ROS) that are produced as by-products of their metabolic functions. In certain tissues such as the liver and kidneys, peroxisomes have more specific roles, such as bile acid synthesis in the liver and steroidogenesis in the adrenal glands. In the brain, peroxisomes are critically involved in creating and maintaining the lipid content of cell membranes and the myelin sheath, highlighting their importance in the central nervous system (CNS). This review summarizes the peroxisomal lifecycle, then examines the literature that establishes a link between peroxisomal dysfunction, cellular aging, and age-related disorders that affect the CNS. This review also discusses the gap of knowledge in research on peroxisomes in the CNS.
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Affiliation(s)
- Ndidi-Ese Uzor
- Department of Neurobiology and Anatomy, University of Texas McGovern Medical School, Houston, TX, United States
- The University of Texas Graduate School of Biomedical Sciences, Houston, TX, United States
| | - Louise D. McCullough
- The University of Texas Graduate School of Biomedical Sciences, Houston, TX, United States
- Department of Neurology, University of Texas McGovern Medical School, Houston, TX, United States
- UTHealth Consortium on Aging, University of Texas McGovern Medical School, Houston, TX, United States
| | - Andrey S. Tsvetkov
- Department of Neurobiology and Anatomy, University of Texas McGovern Medical School, Houston, TX, United States
- The University of Texas Graduate School of Biomedical Sciences, Houston, TX, United States
- UTHealth Consortium on Aging, University of Texas McGovern Medical School, Houston, TX, United States
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28
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Feng H, Hu L, Zhu H, Tao L, Wu L, Zhao Q, Gao Y, Gong Q, Mao F, Li X, Zhou H, Li J, Zhang H. Repurposing antimycotic ciclopirox olamine as a promising anti-ischemic stroke agent. Acta Pharm Sin B 2020; 10:434-446. [PMID: 32140390 PMCID: PMC7049605 DOI: 10.1016/j.apsb.2019.08.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 07/18/2019] [Accepted: 07/19/2019] [Indexed: 02/06/2023] Open
Abstract
Ischemic stroke is a severe disorder resulting from acute cerebral thrombosis. Here we demonstrated that post-ischemic treatment with ciclopirox olamine (CPX), a potent antifungal clinical drug, alleviated brain infarction, neurological deficits and brain edema in a classic rat model of ischemic stroke. Single dose post-ischemic administration of CPX provided a long-lasting neuroprotective effect, which can be further enhanced by multiple doses administration of CPX. CPX also effectively reversed ischemia-induced neuronal loss, glial activation as well as blood–brain barrier (BBB) damage. Employing quantitative phosphoproteomic analysis, 130 phosphosites in 122 proteins were identified to be significantly regulated by CPX treatment in oxygen glucose deprivation (OGD)-exposed SH-SY5Y cells, which revealed that phosphokinases and cell cycle-related phosphoproteins were largely influenced. Subsequently, we demonstrated that CPX markedly enhanced the AKT (protein kinase B, PKB/AKT) and GSK3β (glycogen synthase kinase 3β) phosphorylation in OGD-exposed SH-SY5Y cells, and regulated the cell cycle progression and nitric oxide (NO) release in lipopolysaccharide (LPS)-induced BV-2 cells, which may contribute to its ameliorative effects against ischemia-associated neuronal death and microglial inflammation. Our study suggests that CPX could be a promising compound to reduce multiple ischemic injuries; however, further studies will be needed to clarify the molecular mechanisms involved.
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29
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Microglial IRF5-IRF4 regulatory axis regulates neuroinflammation after cerebral ischemia and impacts stroke outcomes. Proc Natl Acad Sci U S A 2019; 117:1742-1752. [PMID: 31892541 DOI: 10.1073/pnas.1914742117] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Microglial activation plays a central role in poststroke inflammation and causes secondary neuronal damage; however, it also contributes in debris clearance and chronic recovery. Microglial pro- and antiinflammatory responses (or so-called M1-M2 phenotypes) coexist and antagonize each other throughout the disease progress. As a result of this balance, poststroke immune responses alter stroke outcomes. Our previous study found microglial expression of interferon regulatory factor 5 (IRF5) and IRF4 was related to pro- and antiinflammatory responses, respectively. In the present study, we genetically modified the IRF5 and IRF4 signaling to explore their roles in stroke. Both in vitro and in vivo assays were utilized; IRF5 or IRF4 small interfering RNA (siRNA), lentivirus, and conditional knockout (CKO) techniques were employed to modulate IRF5 or IRF4 expression in microglia. We used a transient middle cerebral artery occlusion model to induce stroke and examined both acute and chronic stroke outcomes. Poststroke inflammation was evaluated with flow cytometry, RT-PCR, MultiPlex, and immunofluorescence staining. An oscillating pattern of the IRF5-IRF4 regulatory axis function was revealed. Down-regulation of IRF5 signaling by siRNA or CKO resulted in increased IRF4 expression, enhanced M2 activation, quenched proinflammatory responses, and improved stroke outcomes, whereas down-regulation of IRF4 led to increased IRF5 expression, enhanced M1 activation, exacerbated proinflammatory responses, and worse functional recovery. Up-regulation of IRF4 or IRF5 by lentivirus induced similar results. We conclude that the IRF5-IRF4 regulatory axis is a key determinant in microglial activation. The IRF5-IRF4 regulatory axis is a potential therapeutic target for neuroinflammation and ischemic stroke.
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30
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Fjeldstad HE, Johnsen GM, Staff AC. Fetal microchimerism and implications for maternal health. Obstet Med 2019; 13:112-119. [PMID: 33093862 DOI: 10.1177/1753495x19884484] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 09/28/2019] [Indexed: 12/22/2022] Open
Abstract
This review paper outlines the definition, pathophysiology, and potential maternal health consequences of cellular fetal microchimerism, the maternal acquisition of intact cells of fetal origin during pregnancy. Increased rates and amounts of cellular fetal microchimerism are associated with several placental syndromes, including preeclampsia and fetal growth restriction. The discovery of cellular fetal microchimerism and methods of detection are briefly outlined, and we present the mechanisms hypothesized to govern pregnancy-related and long-term maternal health effects of cellular fetal microchimerism. Specifically, we discuss the potential implications of cellular fetal microchimerism in wound healing, autoimmunity, cancer, and possibly cardiovascular disease. Cellular fetal microchimerism represents a novel area of research on maternal and transgenerational health and disease, providing exciting opportunities for developing new disease biomarkers and precision medicine with targeted prophylaxis against long-term maternal disease.
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Affiliation(s)
- Heidi Es Fjeldstad
- Division of Obstetrics and Gyneacology, Oslo University Hospital, Oslo, Norway.,Faculty of Medicine, Institute for Clinical Medicine, University of Oslo, Oslo, Norway
| | - Guro M Johnsen
- Division of Obstetrics and Gyneacology, Oslo University Hospital, Oslo, Norway.,Faculty of Medicine, Institute for Clinical Medicine, University of Oslo, Oslo, Norway
| | - Anne Cathrine Staff
- Division of Obstetrics and Gyneacology, Oslo University Hospital, Oslo, Norway.,Faculty of Medicine, Institute for Clinical Medicine, University of Oslo, Oslo, Norway
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31
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Stary CM, Xu L, Voloboueva LA, Alcántara-Hernández M, Arvola OJ, Idoyaga J, Giffard RG. Nursing Markedly Protects Postpartum Mice From Stroke: Associated Central and Peripheral Neuroimmune Changes and a Role for Oxytocin. Front Neurosci 2019; 13:609. [PMID: 31354401 PMCID: PMC6637858 DOI: 10.3389/fnins.2019.00609] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 05/28/2019] [Indexed: 12/21/2022] Open
Abstract
Recent studies demonstrate significant neuroimmune changes in postpartum females, a period that also carries an increased risk of stroke. Oxytocin, a major hormone upregulated in the brains of nursing mothers, has been shown to both modulate neuroinflammation and protect against stroke. In the present study we assessed whether and how nursing modulates the neuroimmune response and injury after stroke. We observed that postpartum nursing mice were markedly protected from 1 h of transient middle cerebral artery occlusion (MCAO) relative to either non-pregnant/non-postpartum or non-nursing (pups removed) postpartum females. Nursing mice also expressed reduced levels of pro-inflammatory cytokines, had decreased migration of blood leukocytes into the brain following MCAO, and displayed peripheral neuroimmune changes characterized by increased spleen weight and increased fraction of spleen monocytes. Intranasal oxytocin treatment in non-pregnant females in part recapitulated the protective and anti-inflammatory effects associated with nursing. In summary, the results of the present study demonstrate that nursing in the postpartum period provides relative protection against transient ischemic stroke associated with decreased brain leukocytes and increased splenic monocytes. These effects appear to be regulated, at least in part, by oxytocin.
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Affiliation(s)
- Creed M Stary
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford, CA, United States
| | - Lijun Xu
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford, CA, United States
| | - Ludmilla A Voloboueva
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford, CA, United States
| | - Marcela Alcántara-Hernández
- Department of Microbiology and Immunology, Stanford, CA, United States.,Program in Immunology, Stanford University School of Medicine, Stanford, CA, United States
| | - Oiva J Arvola
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford, CA, United States
| | - Juliana Idoyaga
- Department of Microbiology and Immunology, Stanford, CA, United States.,Program in Immunology, Stanford University School of Medicine, Stanford, CA, United States
| | - Rona G Giffard
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford, CA, United States
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32
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Duarte-Guterman P, Leuner B, Galea LAM. The long and short term effects of motherhood on the brain. Front Neuroendocrinol 2019; 53:100740. [PMID: 30826374 DOI: 10.1016/j.yfrne.2019.02.004] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 01/25/2019] [Accepted: 02/21/2019] [Indexed: 12/13/2022]
Abstract
Becoming a mother is associated with dramatic changes in physiology, endocrinology, immune function, and behaviour that begins during pregnancy and persists into the postpartum. Evidence also suggests that motherhood is accompanied by long-term changes in brain function. In this review, we summarize the short (pregnancy and postpartum) and long-term (beyond the postpartum and into middle age) effects of pregnancy and motherhood on cognition, neuroplasticity, and neuroimmune signalling. We also discuss the effects of previous history of pregnancy and motherhood (parity) on brain health and disease (neurodegenerative diseases and stroke outcomes) and on efficacy of hormone and antidepressant treatments. Finally, we argue that pregnancy and motherhood are unique female experiences that need to be taken into account to better understand female brain function and aging.
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Affiliation(s)
- Paula Duarte-Guterman
- Djavad Mowafaghian Centre for Brain Health and Department of Psychology, The University of British Columbia, Vancouver, BC, Canada
| | - Benedetta Leuner
- Department of Psychology and Department of Neuroscience, The Ohio State University, Columbus, OH, USA
| | - Liisa A M Galea
- Djavad Mowafaghian Centre for Brain Health and Department of Psychology, The University of British Columbia, Vancouver, BC, Canada. http://galealab.psych.ubc.ca
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33
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Robison LS, Gannon OJ, Salinero AE, Zuloaga KL. Contributions of sex to cerebrovascular function and pathology. Brain Res 2018; 1710:43-60. [PMID: 30580011 DOI: 10.1016/j.brainres.2018.12.030] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 12/18/2018] [Accepted: 12/19/2018] [Indexed: 12/13/2022]
Abstract
Sex differences exist in how cerebral blood vessels function under both physiological and pathological conditions, contributing to observed sex differences in risk and outcomes of cerebrovascular diseases (CBVDs), such as vascular contributions to cognitive impairment and dementia (VCID) and stroke. Throughout most of the lifespan, women are protected from CBVDs; however, risk increases following menopause, suggesting sex hormones may play a significant role in this protection. The cerebrovasculature is a target for sex hormones, including estrogens, progestins, and androgens, where they can influence numerous vascular functions and pathologies. While there is a plethora of information on estrogen, the effects of progestins and androgens on the cerebrovasculature are less well-defined. Estrogen decreases cerebral tone and increases cerebral blood flow, while androgens increase tone. Both estrogens and androgens enhance angiogenesis/cerebrovascular remodeling. While both estrogens and androgens attenuate cerebrovascular inflammation, pro-inflammatory effects of androgens under physiological conditions have also been demonstrated. Sex hormones exert additional neuroprotective effects by attenuating oxidative stress and maintaining integrity and function of the blood brain barrier. Most animal studies utilize young, healthy, gonadectomized animals, which do not mimic the clinical conditions of aging individuals likely to get CBVDs. This is also concerning, as sex hormones appear to mediate cerebrovascular function differently based on age and disease state (e.g. metabolic syndrome). Through this review, we hope to inspire others to consider sex as a key biological variable in cerebrovascular research, as greater understanding of sex differences in cerebrovascular function will assist in developing personalized approaches to prevent and treat CBVDs.
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Affiliation(s)
- Lisa S Robison
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY 12208, United States.
| | - Olivia J Gannon
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY 12208, United States.
| | - Abigail E Salinero
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY 12208, United States.
| | - Kristen L Zuloaga
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY 12208, United States.
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Gannon OJ, Robison LS, Custozzo AJ, Zuloaga KL. Sex differences in risk factors for vascular contributions to cognitive impairment & dementia. Neurochem Int 2018; 127:38-55. [PMID: 30471324 DOI: 10.1016/j.neuint.2018.11.014] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 11/16/2018] [Accepted: 11/16/2018] [Indexed: 12/11/2022]
Abstract
Vascular contributions to cognitive impairment and dementia (VCID) is the second most common cause of dementia. While males overall appear to be at a slightly higher risk for VCID throughout most of the lifespan (up to age 85), some risk factors for VCID more adversely affect women. These include female-specific risk factors associated with pregnancy related disorders (e.g. preeclampsia), menopause, and poorly timed hormone replacement. Further, presence of certain co-morbid risk factors, such as diabetes, obesity and hypertension, also may more adversely affect women than men. In contrast, some risk factors more greatly affect men, such as hyperlipidemia, myocardial infarction, and heart disease. Further, stroke, one of the leading risk factors for VCID, has a higher incidence in men than in women throughout much of the lifespan, though this trend is reversed at advanced ages. This review will highlight the need to take biological sex and common co-morbidities for VCID into account in both preclinical and clinical research. Given that there are currently no treatments available for VCID, it is critical that we understand how to mitigate risk factors for this devastating disease in both sexes.
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Affiliation(s)
- O J Gannon
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA.
| | - L S Robison
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA.
| | - A J Custozzo
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA.
| | - K L Zuloaga
- Department of Neuroscience and Experimental Therapeutics, Albany Medical College, 47 New Scotland Ave, Albany, NY, 12208, USA.
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Kaidonis G, Rao AN, Ouyang YB, Stary CM. Elucidating sex differences in response to cerebral ischemia: immunoregulatory mechanisms and the role of microRNAs. Prog Neurobiol 2018; 176:73-85. [PMID: 30121237 DOI: 10.1016/j.pneurobio.2018.08.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Revised: 06/04/2018] [Accepted: 08/05/2018] [Indexed: 12/17/2022]
Abstract
Cerebral ischemia remains a major cause of death and disability worldwide, yet therapeutic options remain limited. Differences in sex and age play an important role in the final outcome in response to cerebral ischemia in both experimental and clinical studies: males have a higher risk and worse outcome than females at younger ages and this trend reverses in older ages. Although the molecular mechanisms underlying sex dimorphism are complex and are still not well understood, studies suggest steroid hormones, sex chromosomes, differential cell death and immune pathways, and sex-specific microRNAs may contribute to the outcome following cerebral ischemia. This review focuses on differential effects between males and females on cell death and immunological pathways in response to cerebral ischemia, the central role of innate sex differences in steroid hormone signaling, and upstreamregulation of sexually dimorphic gene expression by microRNAs.
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Affiliation(s)
- Georgia Kaidonis
- Stanford University School of Medicine, Department of Anesthesiology, Perioperative & Pain Medicine, United States; Stanford University School of Medicine, Department of Ophthalmology, United States
| | - Anand N Rao
- Stanford University School of Medicine, Department of Anesthesiology, Perioperative & Pain Medicine, United States
| | - Yi-Bing Ouyang
- Stanford University School of Medicine, Department of Anesthesiology, Perioperative & Pain Medicine, United States
| | - Creed M Stary
- Stanford University School of Medicine, Department of Anesthesiology, Perioperative & Pain Medicine, United States.
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Bernhardt J, Zorowitz RD, Becker KJ, Keller E, Saposnik G, Strbian D, Dichgans M, Woo D, Reeves M, Thrift A, Kidwell CS, Olivot JM, Goyal M, Pierot L, Bennett DA, Howard G, Ford GA, Goldstein LB, Planas AM, Yenari MA, Greenberg SM, Pantoni L, Amin-Hanjani S, Tymianski M. Advances in Stroke 2017. Stroke 2018; 49:e174-e199. [DOI: 10.1161/strokeaha.118.021380] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 03/02/2018] [Accepted: 03/12/2018] [Indexed: 12/11/2022]
Affiliation(s)
- Julie Bernhardt
- From the Florey Institute of Neuroscience and Mental Health, University of Melbourne, Australia (J.B.)
| | - Richard D. Zorowitz
- MedStar National Rehabilitation Network and Department of Rehabilitation Medicine, Georgetown University School of Medicine, Washington, DC (R.D.Z.)
| | - Kyra J. Becker
- Department of Neurology, University of Washington, Seattle (K.J.B.)
| | - Emanuela Keller
- Division of Internal Medicine, University Hospital of Zurich, Switzerland (E.K.)
| | | | - Daniel Strbian
- Department of Neurology, Helsinki University Central Hospital, Finland (D.S.)
| | - Martin Dichgans
- Institute for Stroke and Dementia Research, Klinikum der Universität München, Ludwig-Maximilians-Universität LMU, Germany (M.D.)
- Munich Cluster for Systems Neurology (SyNergy), Germany (M.D.)
| | - Daniel Woo
- Department of Neurology, University of Cincinnati College of Medicine, OH (D.W.)
| | - Mathew Reeves
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing (M.R.)
| | - Amanda Thrift
- Department of Medicine, School of Clinical Sciences at Monash Health, Monash University, Clayton, Victoria, Australia (A.T.)
| | - Chelsea S. Kidwell
- Departments of Neurology and Medical Imaging, University of Arizona, Tucson (C.S.K.)
| | - Jean Marc Olivot
- Acute Stroke Unit, Toulouse Neuroimaging Center and Clinical Investigation Center, Toulouse University Hospital, France (J.M.O.)
| | - Mayank Goyal
- Department of Diagnostic and Interventional Neuroradiology, University of Calgary, AB, Canada (M.G.)
| | - Laurent Pierot
- Department of Neuroradiology, Hôpital Maison Blanche, CHU Reims, Reims Champagne-Ardenne University, France (L.P.)
| | - Derrick A. Bennett
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, United Kingdom (D.A.B.)
| | - George Howard
- Department of Biostatistics, Ryals School of Public Health, University of Alabama at Birmingham (G.H.)
| | - Gary A. Ford
- Oxford Academic Health Science Network, United Kingdom (G.A.F.)
| | | | - Anna M. Planas
- Department of Brain Ischemia and Neurodegeneration, Institute for Biomedical Research of Barcelona (IIBB), Consejo Superior de Investigaciones CIentíficas (CSIC), Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (A.M.P.)
| | - Midori A. Yenari
- Department of Neurology, University of California, San Francisco (M.A.Y.)
- San Francisco Veterans Affairs Medical Center, CA (M.A.Y.)
| | - Steven M. Greenberg
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston (S.M.G.)
| | - Leonardo Pantoni
- ‘L. Sacco’ Department of Biomedical and Clinical Sciences, University of Milan, Italy (L.P.)
| | | | - Michael Tymianski
- Departments of Surgery and Physiology, University of Toronto, ON, Canada (M.T.)
- Department of Surgery, University Health Network (Neurosurgery), Toronto, ON, Canada (M.T.)
- Krembil Research Institute, Toronto Western Hospital, ON, Canada (M.T.)
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Affiliation(s)
- Sunghee Cho
- From the Burke Medical Research Institute, White Plains, NY (S.C., J.Y.); and Feil Family Brain and Mind Research Institute, Departments of Neurology and Neuroscience, Weill Cornell Medicine, New York, NY (S.C.).
| | - Jiwon Yang
- From the Burke Medical Research Institute, White Plains, NY (S.C., J.Y.); and Feil Family Brain and Mind Research Institute, Departments of Neurology and Neuroscience, Weill Cornell Medicine, New York, NY (S.C.)
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Memon A, McCullough LD. Cerebral Circulation in Men and Women. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1065:279-290. [DOI: 10.1007/978-3-319-77932-4_18] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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