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The Interplay between Histamine H4 Receptor and the Kidney Function: The Lesson from H4 Receptor Knockout Mice

Verta, Roberta ; Gurrieri, Maura ; Borga, Sara ; [et al.]

MDPI AG ; 2021

In: Biomolecules Vol. 11, No. 10 ( 2021-10-15), p. 1517-

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In: Biomolecules, MDPI AG, Vol. 11, No. 10 ( 2021-10-15), p. 1517-

Abstract: Previous studies implicated the histamine H4 receptor in renal pathophysiology. The aim here is to elucidate the role of this receptor on renal function using H4 receptor knockout mice (H4R−/−). Healthy and diabetic H4R−/− mice compared to their C57BL/6J wild-type counterpart for renal function and the expression of crucial tubular proteins. H4R−/− and wild-type mice, matched for ages, showed comparable weight gain curves reaching similar median weight at the end of the study. However, H4R−/− mice displayed a higher basal glycemia. H4R−/− mice showed a lower urine 24 h outflow, and albumin-to-creatinine ratio (ACR) compared to wild-type mice. Consistently, H4R−/− mice presented a higher expression of megalin and a lower basal expression of the sodium-hydrogen exchanger (NHE)3 and aquaporin (AQP)2. According to these basal differences, diabetic H4R−/− mice developed more severe hyperglycemia and a higher 24 h urine volume, but a lower increase in ACR and decrease in urine pH were observed. These events were paralleled by a reduced NHE3 over-expression and megalin loss in diabetic H4R−/− mice. The AQP1 and AQP7 patterns were also different between H4R−/− and wild-type diabetic mice. The collected results highlight the role of the histamine H4 receptor in the control of renal reabsorption processes, particularly albumin uptake.

Type of Medium: Online Resource

ISSN: 2218-273X

URL: Article

DOI: 10.3390/biom11101517

Language: English

Publisher: MDPI AG

Publication Date: 2021

detail.hit.zdb_id: 2701262-1

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CNS-Sparing Histamine H3 Receptor Antagonist as a Candidate to Prevent the Diabetes-Associated Gastrointestinal Symptoms

Rosa, Arianna Carolina ; Nardini, Patrizia ; Sgambellone, Silvia ; [et al.]

MDPI AG ; 2022

In: Biomolecules Vol. 12, No. 2 ( 2022-01-22), p. 184-

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In: Biomolecules, MDPI AG, Vol. 12, No. 2 ( 2022-01-22), p. 184-

Abstract: Among the histamine receptors, growing evidence points to the histamine H3 receptor as a pharmacological candidate to counteract the autonomic neuropathy associated with diabetes. The study aimed to evaluate the effect of PF00868087 (also known as ZPL-868), a CNS-sparing histamine H3 receptor antagonist, on the autonomic neuropathy of the intestinal tract associated with diabetes. Diabetes was induced in male BALB/c mice by a single high dose of streptozotocin (150 mg/kg). Colorectal specimens from control and diabetic mice, randomized to vehicle or PF0086087 (10, 30, 100 mg/kg/day by oral gavage for 14 days), were processed for morphological and immunohistochemical analysis. A significant overproduction of mucus in the intestinal mucosa of diabetic mice compared to the controls was observed. PF0086087 at the highest dose prevented mucin overproduction. The immunohistochemistry analysis demonstrated that diabetes causes a decrease in the inhibitory component of enteric motility, measured as the percentage of neuronal nitric oxide synthase-positive neurons (p 〈 0.05) and a parallel increase in the excitatory component evaluated as substance P-positive fibres (p 〈 0.01). PF0086087 dose-dependently prevented these pathophysiological events. In conclusion, PF0086087 may be an essential tool in preventing nitrergic dysfunction in the myenteric plexus of the distal colon and diabetes-induced gastrointestinal complications.

Type of Medium: Online Resource

ISSN: 2218-273X

URL: Article

DOI: 10.3390/biom12020184

Language: English

Publisher: MDPI AG

Publication Date: 2022

detail.hit.zdb_id: 2701262-1

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Effect of Bilastine on Diabetic Nephropathy in DBA2/J Mice

Verta, Roberta ; Grange, Cristina ; Gurrieri, Maura ; [et al.]

MDPI AG ; 2019

In: International Journal of Molecular Sciences Vol. 20, No. 10 ( 2019-05-24), p. 2554-

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In: International Journal of Molecular Sciences, MDPI AG, Vol. 20, No. 10 ( 2019-05-24), p. 2554-

Abstract: Diabetic nephropathy is an unmet therapeutic need, and the search for new therapeutic strategies is warranted. Previous data point to histamine H1 receptor as a possible target for glomerular dysfunction associated with long term hyperglycaemia. Therefore, this study investigated the effects of the H1 receptor antagonist bilastine on renal morphology and function in a murine model of streptozotocin-induced diabetes. Diabetes was induced in DBA2/J male mice and, from diabetes onset (glycaemia ≥200 mg/dL), mice received bilastine (1–30 mg/kg/day) by oral gavage for 14 consecutive weeks. At the end of the experimental protocol, diabetic mice showed polyuria (+195.5%), increase in Albumin-to-Creatine Ratio (ACR, +284.7%), and a significant drop in creatinine clearance (p 〈 0.05). Bilastine prevented ACR increase and restored creatinine clearance in a dose-dependent manner, suggesting a positive effect on glomerular filtration. The ultrastructural analysis showed a preserved junctional integrity. Preservation of the basal nephrin, P-cadherin, and synaptopodin expression could explain this effect. In conclusion, the H1 receptor could contribute to the glomerular damage occurring in diabetic nephropathy. Bilastine preserved the glomerular junctional integrity, leading to the hypothesis of anti-H1 antihistamines as a possible add-on therapy for diabetic nephropathy.

Type of Medium: Online Resource

ISSN: 1422-0067

URL: Article

DOI: 10.3390/ijms20102554

Language: English

Publisher: MDPI AG

Publication Date: 2019

detail.hit.zdb_id: 2019364-6

SSG: 12

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Histamine in the kidneys: what is its role in renal pathophysiology?

Grange, Cristina ; Gurrieri, Maura ; Verta, Roberta ; [et al.]

Wiley ; 2020

In: British Journal of Pharmacology Vol. 177, No. 3 ( 2020-02), p. 503-515

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In: British Journal of Pharmacology, Wiley, Vol. 177, No. 3 ( 2020-02), p. 503-515

Abstract: Starting with a role for histamine role in renal haemodynamics, evidence has accumulated, over time, suggesting a wider range of actions on renal function and this has renewed interest in the pathophysiological role of histamine in the kidney. Here we provide an up‐to‐date review of this topic. As the kidney expresses enzymes that synthesize and metabolise histamine, along with its receptors, all the components for histaminergic transmission are present in this tissue. The distribution of histamine receptors matches a wide range of effects. We address the questions of the redundancy of H 1 and H 2 receptors in renal haemodynamics, the complementary role of H 1 and H 4 receptors in renal filtration and reabsorption, and the dichotomy between local and neuronal H 1 and H 3 receptors. Experimental models of renal disease raise the possibility of new therapeutic approaches based on histamine. The effects of histamine on renal function are not yet fully understood and their elucidation is still ongoing. Linked Articles This article is part of a themed section on New Uses for 21st Century. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v177.3/issuetoc

Type of Medium: Online Resource

ISSN: 0007-1188 , 1476-5381

URL: Issue

URL: Article

DOI: 10.1111/bph.v177.3

DOI: 10.1111/bph.14619

Language: English

Publisher: Wiley

Publication Date: 2020

detail.hit.zdb_id: 2029728-2

SSG: 15,3

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Histamine and diabetic nephropathy: an up-to-date overview

Pini, Alessandro ; Verta, Roberta ; Grange, Cristina ; [et al.]

Portland Press Ltd. ; 2019

In: Clinical Science Vol. 133, No. 1 ( 2019-01-15), p. 41-54

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In: Clinical Science, Portland Press Ltd., Vol. 133, No. 1 ( 2019-01-15), p. 41-54

Abstract: The classification of diabetic nephropathy (DN) as a vascular complication of diabetes makes the possible involvement of histamine, an endogenous amine that is well known for its vasoactive properties, an interesting topic for study. The aim of the present review is to provide an extensive overview of the possible involvement of histamine in the onset and progression of DN. The evidence collected on the role of histamine in kidney function together with its well-known pleiotropic action suggest that this amine may act simultaneously on glomerular hyperfiltration, tubular inflammation, fibrosis development and tubular hypertrophy.

Type of Medium: Online Resource

ISSN: 0143-5221 , 1470-8736

URL: Article

DOI: 10.1042/CS20180839

Language: English

Publisher: Portland Press Ltd.

Publication Date: 2019

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