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Zhao J, Luo X, Yang C, Yang X, Deng M, Sun B, Zhu J, Dong Z, Wang Y, Li J, Yang X, Li B, Wang X, Zheng J. Chemokine receptor 7 contributes to T- and B-cell filtering in ageing bladder, cystitis and bladder cancer. Immun Ageing 2024; 21:33. [PMID: 38762550 PMCID: PMC11102276 DOI: 10.1186/s12979-024-00432-5] [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: 02/27/2024] [Accepted: 04/23/2024] [Indexed: 05/20/2024]
Abstract
BACKGROUND Research has suggested significant correlations among ageing, immune microenvironment, inflammation and tumours. However, the relationships among ageing, immune microenvironment, cystitis and bladder urothelial carcinoma (BLCA) in the bladder have rarely been reported. METHODS Bladder single-cell and transcriptomic data from young and old mice were used for immune landscape analysis. Transcriptome, single-cell and The Cancer Genome Atlas Program datasets of BLCA and interstitial cystitis/bladder pain syndrome (IC/BPS) were used to analyse immune cell infiltration and molecular expression. Bladder tissues from mice, IC/BPS and BLCA were collected to validate the results. RESULTS Eight types of immune cells (macrophages, B-cells, dendritic cells, T-cells, monocytes, natural killer cells, γδ T-cells and ILC2) were identified in the bladder of mice. Aged mice bladder tissues had a significantly higher number of T-cells, γδ T-cells, ILC2 and B-cells than those in the young group (P < 0.05). Three types of T-cells (NK T-cells, γδ T-cells and naïve T-cells) and three types of B-cells (follicular B-cells, plasma and memory B-cells) were identified in aged mice bladder. Chemokine receptor 7 (CCR7) is highly expressed in aged bladder, IC/BPS and BLCA (P < 0.05). CCR7 is likely to be involved in T- and B-cell infiltration in aged bladder, IC/BPS and BLCA. Interestingly, the high CCR7 expression on BLCA cell membranes was a prognostic protective factor. CONCLUSIONS In this study, we characterised the expression profiles of immune cells in bladder tissues of aged and young mice and demonstrated that CCR7-mediated T- and B-cell filtration contributes to the development of bladder ageing, IC/BPS and BLCA.
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Affiliation(s)
- Jiang Zhao
- Department of Urology, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, PR China.
- Department of Urology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China.
- Department of Urology, The University of Kansas Medical Center, Kansas City, KS, 66160, USA.
| | - Xing Luo
- Department of Urology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Chengfei Yang
- Department of Thoracic Surgery, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Xiao Yang
- Institute of Life Sciences, Chongqing Medical University, Chongqing, 400037, China
| | - Min Deng
- Department of Urology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Bishao Sun
- Department of Urology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Jingzhen Zhu
- Department of Urology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Zongming Dong
- Department of Urology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Yangcai Wang
- Department of Urology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Jia Li
- Department of Urology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Xingliang Yang
- Department of Urology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China
| | - Benyi Li
- Department of Urology, The University of Kansas Medical Center, Kansas City, KS, 66160, USA.
| | - Xiangwei Wang
- Department of Urology, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, PR China.
| | - Ji Zheng
- Department of Urology, The Second Affiliated Hospital, Army Military Medical University, Chongqing, 400037, China.
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Neurophysiological control of urinary bladder storage and voiding-functional changes through development and pathology. Pediatr Nephrol 2021; 36:1041-1052. [PMID: 32415328 DOI: 10.1007/s00467-020-04594-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 04/24/2020] [Accepted: 04/28/2020] [Indexed: 10/24/2022]
Abstract
The effective storage of urine and its expulsion relies upon the coordinated activity of parasympathetic, sympathetic, and somatic innervations to the lower urinary tract (LUT). At birth, all mammalian neonates lack the ability to voluntary regulate bladder storage or voiding. The ability to control urinary bladder activity is established as connections to the central nervous system (CNS) form through development. The neural regulation of the LUT has been predominantly investigated in adult animal models where comparatively less is known about the neonatal and postnatal neurophysiological development that facilitate urinary continence. Furthermore, congenital neurological or anatomical defects can adversely affect both storage and voiding functions through postnatal development and into adulthood, leading to secondary conditions including vesicoureteral reflux, chronic urinary tract infections, and end-stage renal disease. Therefore, the aim of the review is to provide the current knowledge available on neurophysiological regulation of the LUT through pre- to postnatal development of human and animal models and the consequences of congenital anomalies that can affect LUT neural function.
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Karnup S, De Groat W. Mapping of spinal interneurons involved in regulation of the lower urinary tract in juvenile male rats. IBRO Rep 2020; 9:115-131. [PMID: 32775758 PMCID: PMC7394742 DOI: 10.1016/j.ibror.2020.07.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Accepted: 07/03/2020] [Indexed: 12/23/2022] Open
Abstract
Coordination between the urinary bladder (BL) and external urethral sphincter (EUS) is necessary for storage and elimination of urine. In rats interneuronal circuits at two levels of the spinal cord (i.e., L6-S1 and L3-L4) play an important role in this coordination. In the present experiments retrograde trans-synaptic transport of pseudorabies virus (PRV) encoding fluorescent markers (GFP and RFP) was used to trace these circuits. To examine the relative localization of EUS-related and BL-related interneuronal populations we injected PRV-GFP into the EUS and PRV-RFP into the BL wall. The PRV infected populations of spinal interneurons were localized primarily in the dorsal commissure (DCM) of L6/S1 and in a hypothesized lumbar spinal coordinating center (LSCC) in L3/L4 above and lateral to central canal (CC). At both sites colocalization of markers occurred in a substantial number of labeled interneurons indicating concomitant involvement of these double-labelled neurons in the EUS- and BL-circuits and suggesting their role in EUS-BL coordination. Intense GFP or RFP fluorescent was detected in a subpopulation of cells at both sites suggesting that they were infected earlier and therefore likely to represent first order, primary interneurons that directly synapse with output neurons. Larger numbers of weakly fluorescent neurons that likely represent second order interneurons were also identified. Within the population of EUS-related first order interneurons only 3-8 % exhibited positive immunoreaction for an early transcription factor Pax2 specific to GABAergic and glycinergic inhibitory neurons suggesting that the majority of interneurons in DCM and LSCC projecting directly to the EUS motoneurons are excitatory.
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Key Words
- BCM, bulbocavernosus muscle
- BL, bladder
- B_G, bright green
- B_R, bright red
- CC -, central canal
- DCM, dorsal commissure
- DSD, detrusor-sphincter-dyssynergia
- EMG, electromyogram
- EUS, external urethral sphincter
- EUS-MN, motoneuron of the external urethral sphincter
- GFP, green fluorescent protein
- IML, intermediolateral nucleus
- IN, interneuron
- LSCC, lumbar spinal coordinating center
- LUT, lower urinary tract
- Lf, lateral funiculus
- PPN, propriospinal neuron
- PRV, pseudorabies virus
- Pseudorabies virus
- RFP, red fluorescent protein
- SC, spinal cord
- SCI, spinal cord injury
- SPPN, spinal parasympathetic preganglionic neuron
- Spinal cord
- Transsynaptic tracing
- VMf, ventro-medial funiculus
- W_G, weak/moderate green
- W_R, weak/moderate red
- pIN, primary interneuron
- sIN, secondary interneuron
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Affiliation(s)
- S.V. Karnup
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA, 15213, United States
| | - W.C. De Groat
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA, 15213, United States
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Ito H, Sales AC, Fry CH, Kanai AJ, Drake MJ, Pickering AE. Probabilistic, spinally-gated control of bladder pressure and autonomous micturition by Barrington's nucleus CRH neurons. eLife 2020; 9:56605. [PMID: 32347794 PMCID: PMC7217699 DOI: 10.7554/elife.56605] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 04/28/2020] [Indexed: 12/27/2022] Open
Abstract
Micturition requires precise control of bladder and urethral sphincter via parasympathetic, sympathetic and somatic motoneurons. This involves a spino-bulbospinal control circuit incorporating Barrington’s nucleus in the pons (Barr). Ponto-spinal glutamatergic neurons that express corticotrophin-releasing hormone (CRH) form one of the largest Barr cell populations. BarrCRH neurons can generate bladder contractions, but it is unknown whether they act as a simple switch or provide a high-fidelity pre-parasympathetic motor drive and whether their activation can actually trigger voids. Combined opto- and chemo-genetic manipulations along with multisite extracellular recordings in urethane anaesthetised CRHCre mice show that BarrCRH neurons provide a probabilistic drive that generates co-ordinated voids or non-voiding contractions depending on the phase of the micturition cycle. CRH itself provides negative feedback regulation of this process. These findings inform a new inferential model of autonomous micturition and emphasise the importance of the state of the spinal gating circuit in the generation of voiding.
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Affiliation(s)
- Hiroki Ito
- School of Physiology, Pharmacology and Neuroscience, Faculty of Life Sciences, University of Bristol, Bristol, United Kingdom.,Department of Urology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Anna C Sales
- School of Physiology, Pharmacology and Neuroscience, Faculty of Life Sciences, University of Bristol, Bristol, United Kingdom
| | - Christopher H Fry
- School of Physiology, Pharmacology and Neuroscience, Faculty of Life Sciences, University of Bristol, Bristol, United Kingdom
| | - Anthony J Kanai
- Department of Medicine and Pharmacology & Chemical Biology, University of Pittsburgh, Pittsburgh, United States
| | - Marcus J Drake
- School of Physiology, Pharmacology and Neuroscience, Faculty of Life Sciences, University of Bristol, Bristol, United Kingdom.,Bristol Urology Institute, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Anthony E Pickering
- School of Physiology, Pharmacology and Neuroscience, Faculty of Life Sciences, University of Bristol, Bristol, United Kingdom.,Anaesthetic, Pain and Critical Care research group, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
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Heppner TJ, Hennig GW, Nelson MT, Vizzard MA. Rhythmic Calcium Events in the Lamina Propria Network of the Urinary Bladder of Rat Pups. Front Syst Neurosci 2017; 11:87. [PMID: 29321730 PMCID: PMC5732214 DOI: 10.3389/fnsys.2017.00087] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Accepted: 11/14/2017] [Indexed: 01/23/2023] Open
Abstract
The lamina propria contains a dense network of cells, including interstitial cells (ICs), that may play a role in bladder function by modulating communication between urothelium, nerve fibers and smooth muscle or acting as pacemakers. Transient receptor potential vanilloid 4 (TRPV4) channels allow cation influx and may be involved in sensing stretch or chemical irritation in urinary bladder. Urothelium was removed from rats (P0-Adult), cut into strips, and loaded with a Ca2+ fluorescent dye (Fluo-2 AM leak resistant or Cal 520) for 90 min (35-37°C) to measure Ca2+ events. Ca2+ events were recorded for a period of 60 seconds (s) in control and after drug treatment. A heterogeneous network of cells was identified at the interface of the urothelium and lamina propria of postnatal rat pups, aged ≤ postnatal (P) day 21, with diverse morphology (round, fusiform, stellate with numerous projections) and expressing platelet-derived growth factor receptor alpha (PDGFRα)- and TRPV4-immunoreactivity (IR). Ca2+ transients occurred at a slow frequency with an average interval of 30 ± 8.6 s. Waveform analyses of Ca2+ transients in cells in the lamina propria network revealed long duration Ca2+ events with slow upstrokes. We observed slow propagating waves of activity in the lamina propria network that displayed varying degrees of coupling. Application of the TRPV4 agonist, GSK1016790 (100 nM), increased the duration of Ca2+ events, the number of cells with Ca2+ events and the integrated Ca2+ activity corresponding to propagation of activity among cells in the lamina propria network. However, GSK2193874 (1 μM), a potent antagonist of TRPV4 channels, was without effect. ATP (1 μM) perfusion increased the number of cells in the lamina propria exhibiting Ca2+ events and produced tightly coupled network activity. These findings indicate that ATP and TRPV4 can activate cells in the laminar propria network, leading to the appearance of organized propagating wavefronts.
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Affiliation(s)
- Thomas J Heppner
- Department of Pharmacology, The Robert Larner, M.D. College of Medicine, University of Vermont, Burlington, VT, United States
| | - Grant W Hennig
- Department of Pharmacology, The Robert Larner, M.D. College of Medicine, University of Vermont, Burlington, VT, United States
| | - Mark T Nelson
- Department of Pharmacology, The Robert Larner, M.D. College of Medicine, University of Vermont, Burlington, VT, United States
| | - Margaret A Vizzard
- Department of Neurological Sciences, The Robert Larner, M.D. College of Medicine, University of Vermont, Burlington, VT, United States
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Girard B, Peterson A, Malley S, Vizzard MA. Accelerated onset of the vesicovesical reflex in postnatal NGF-OE mice and the role of neuropeptides. Exp Neurol 2016; 285:110-125. [PMID: 27342083 DOI: 10.1016/j.expneurol.2016.06.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Revised: 05/30/2016] [Accepted: 06/20/2016] [Indexed: 12/31/2022]
Abstract
The mechanisms underlying the postnatal maturation of micturition from a somatovesical to a vesicovesical reflex are not known but may involve neuropeptides in the lower urinary tract. A transgenic mouse model with chronic urothelial overexpression (OE) of NGF exhibited increased voiding frequency, increased number of non-voiding contractions, altered morphology and hyperinnervation of the urinary bladder by peptidergic (e.g., Sub P and CGRP) nerve fibers in the adult. In early postnatal and adult NGF-OE mice we have now examined: (1) micturition onset using filter paper void assays and open-outlet, continuous fill, conscious cystometry; (2) innervation and neurochemical coding of the suburothelial plexus of the urinary bladder using immunohistochemistry and semi-quantitative image analyses; (3) neuropeptide protein and transcript expression in urinary bladder of postnatal and adult NGF-OE mice using Q-PCR and ELISAs and (4) the effects of intravesical instillation of a neurokinin (NK)-1 receptor antagonist on bladder function in postnatal and adult NGF-OE mice using conscious cystometry. Postnatal NGF-OE mice exhibit age-dependent (R2=0.996-0.998; p≤0.01) increases in Sub and CGRP expression in the urothelium and significantly (p≤0.01) increased peptidergic hyperinnervation of the suburothelial nerve plexus. By as early as P7, NGF-OE mice exhibit a vesicovesical reflex in response to intravesical instillation of saline whereas littermate WT mice require perigenital stimulation to elicit a micturition reflex until P13 when vesicovesical reflexes are first observed. Intravesical instillation of a NK-1 receptor antagonist, netupitant (0.1μg/ml), significantly (p≤0.01) increased void volume and the interval between micturition events with no effects on bladder pressure (baseline, threshold, peak) in postnatal NGF-OE mice; effects on WT mice were few. NGF-induced pleiotropic effects on neuropeptide (e.g., Sub P) expression in the urinary bladder contribute to the maturation of the micturition reflex and are excitatory to the micturition reflex in postnatal NGF-OE mice. These studies provide insight into the mechanisms that contribute to the postnatal development of the micturition reflex.
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Affiliation(s)
- Beatrice Girard
- University of Vermont College of Medicine, Department of Neurological Sciences, Burlington, VT 05405, USA
| | - Abbey Peterson
- University of Vermont College of Medicine, Department of Neurological Sciences, Burlington, VT 05405, USA
| | - Susan Malley
- University of Vermont College of Medicine, Department of Neurological Sciences, Burlington, VT 05405, USA
| | - Margaret A Vizzard
- University of Vermont College of Medicine, Department of Neurological Sciences, Burlington, VT 05405, USA.
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Lin Z, Fisher JW, Wang R, Ross MK, Filipov NM. Estimation of placental and lactational transfer and tissue distribution of atrazine and its main metabolites in rodent dams, fetuses, and neonates with physiologically based pharmacokinetic modeling. Toxicol Appl Pharmacol 2013; 273:140-58. [DOI: 10.1016/j.taap.2013.08.010] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Revised: 08/07/2013] [Accepted: 08/10/2013] [Indexed: 11/27/2022]
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Sadananda P, Drake MJ, Paton JFR, Pickering AE. A functional analysis of the influence of β3-adrenoceptors on the rat micturition cycle. J Pharmacol Exp Ther 2013; 347:506-15. [PMID: 24008334 DOI: 10.1124/jpet.113.207340] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Dysfunctions of the lower urinary tract, such as overactive bladder syndrome and incontinence, are the product of storage failure. Spontaneous regional bladder wall movements [nonmicturition contractions (NMCs)] are proposed to generate afferent activity that signals volume status to the central nervous system. The sympathetic nervous system, via activation of β-adrenoceptors (β-ARs), causes bladder relaxation and promotes urine storage. We hypothesized that β-AR regulation of micturition is mediated by suppression of NMCs. We used an unanesthetized, decerebrate, artificially perfused rat preparation that allows simultaneous cystometry with external urethral sphincter and pelvic afferent nerve recordings. Systemic isoprenaline (10 nM to 1 µM) increased intervoid interval and bladder compliance accompanied by a decrease in NMC amplitude, voiding pressure, and voiding threshold. Isoprenaline also reduced arterial pressure and increased heart rate. The β3-AR agonist mirabegron (10-100 nM) increased intervoid interval and bladder compliance and reduced NMC amplitude, yet preserved active voiding function and had no effect on arterial pressure or heart rate. All of these effects of mirabegron were blocked by the selective β3-AR antagonist N-[[3-[(2S)-2-hydroxy-3-[[2-[4-[(phenylsulfonyl)amino] phenyl]ethyl]amino]propoxy]phenyl]methyl]-acetamide (L748,337), which alone shortened intervoid interval and decreased bladder compliance-suggesting the presence of a basal β3-AR-mediated sympathetic tone. Similar effects of mirabegron were seen in an acetic acid-sensitized bladder preparation and in preparations after loss of spinobulbar reflex bladder control. The β3-AR-mediated increase in intervoid interval correlated with increased bladder compliance but not with the decrease in NMC amplitude. These findings indicate that β3-adrenoceptors have a selective effect that improves urine storage by increasing compliance without affecting the active components of voiding.
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Affiliation(s)
- Prajni Sadananda
- School of Physiology & Pharmacology, Medical Sciences Building (P.S., J.F.R.P., A.E.P.), and School of Clinical Sciences (M.J.D.), University of Bristol, Bristol, United Kingdom
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