Secretin: a hormone for HCO3 homeostasis

P Berg, SL Svendsen, N Ayasse, MV Sorensen… - … -European Journal of …, 2024 - Springer
Secretin is a key hormone of the intestinal phase of digestion which activates pancreatic,
bile duct and Brunner gland HCO3− secretion. Recently, the secretin receptor (SCTR) was …

CFTR-beyond the Airways: Recent Findings on the Role of the CFTR Channel in the Pancreas, the Intestine and the Kidneys

P Hegyi, U Seidler, K Kunzelmann - Journal of Cystic Fibrosis, 2023 - Elsevier
With increased longevity of patients suffering from cystic fibrosis, and widespread lung
transplantation facilities, the sequelae of defective CFTR in other organs than the airways …

Challenged urine bicarbonate excretion as a measure of cystic fibrosis transmembrane conductance regulator function in cystic fibrosis

P Berg, MV Sorensen, AQ Rousing… - Annals of Internal …, 2022 - acpjournals.org
Background: In cystic fibrosis (CF), renal base excretion is impaired. Accordingly,
challenged urine bicarbonate excretion may be an in vivo biomarker of cystic fibrosis …

Loss of the secretin receptor impairs renal bicarbonate excretion and aggravates metabolic alkalosis in mice during acute base-loading

P Berg, T Jensen, JF Andersen… - Journal of the …, 2023 - journals.lww.com
Background The secretin receptor (SCTR) is functionally expressed in the basolateral
membrane of the β-intercalated cells of the kidney cortical collecting duct and stimulates …

A latent reversible ratiometric optical pH sensing probe based on phenylboronic acid for alkaline pH detection and applications in test paper and alkalotic HK-2 cells

H Fang, S Xu, J Gong, L Tang, X He, Y Lin… - New Journal of …, 2023 - pubs.rsc.org
Metabolic alkalosis, the most common acid–base disorder, is related to significantly
increased mortality in hospitalized patients. Hunting for pH sensors lying in the neutral to …

Metabolic alkalosis in cystic fibrosis: from vascular volume depletion to impaired bicarbonate excretion

M Soleimani - Frontiers in Endocrinology, 2024 - frontiersin.org
Cystic fibrosis (CF) is the most common life-threatening genetic disease in the United States
and among people of European descent. Despite the widespread distribution of the cystic …

Urinary acid-base excretion deciphers high acid load from colonic bicarbonate loss in intestinal failure patients with ileocolonic anastomosis–Guidance for …

RH Foerster, G Lamprecht, K Rischmüller, P Berlin… - Clinical Nutrition, 2024 - Elsevier
Background & aims Acid-base disturbances are common in short bowel (SB) patients due to
increased intestinal bicarbonate loss. However, the resulting systemic acid load has not …

Urinary bicarbonate and metabolic alkalosis during exacerbations in cystic fibrosis

G Spoletini, G Fitch, L Gillgrass… - ERJ Open …, 2022 - Eur Respiratory Soc
Pseudo-Bartter syndrome (PBS) is characterised by hypokalaemic, hyponatraemic and
hypochloraemic metabolic alkalosis in the absence of renal tubules pathology; it is a well …

The challenged urine bicarbonate excretion test in cystic fibrosis: A comprehensive analysis of urine acid/base parameters

AQ Rousing, M Jeppesen, S Jensen‐Fangel… - Acta …, 2024 - Wiley Online Library
Aim Renal excretion of excess HCO3− depends on renal cystic fibrosis transmembrane
conductance regulator (CFTR) and is impaired in people with cystic fibrosis (pwCF). Urine …

The B1 H+-ATPase (Atp6v1b1) Subunit in Non-Type-A Intercalated Cells is Required for Driving Pendrin Activity and the Renal Defence Against Alkalosis

S Bourgeois, J Kovacikova, M Bugarski… - Journal of the …, 2023 - journals.lww.com
Background: Non-type-A intercalated cells (IC) in the collecting duct system express the
luminal Cl-/HCO 3-exchanger pendrin and apical and/or basolateral H+-ATPases containing …