ArticleAmerican journal of physiology. Renal physiology2018
Expression of the B splice variant of NBCe1 (SLC4A4) in the mouse kidney.
Article in American journal of physiology. Renal physiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
16 citing papers in PubMed, 21 citations in OpenAlex.
- Effects of proximal tubule NBCe1-A deletion on collecting duct intercalated cell responses to hypokalemia.American journal of physiology. Renal physiology · 2026Article
- Na/K-ATPase in the renal proximal tubule cell: classic & novel roles in sodium handling.Frontiers in physiology · 2026Review
- Inactivation mechanisms of NaCommunications biology · 2025Article
- Solute carrier family 4 member 4 (SLC4A4) is associated with cell proliferation, migration and immune cell infiltration in colon cancer.Discover oncology · 2024Article
- The role of NaPflugers Archiv : European journal of physiology · 2024Review
- NBCe1-B/C-knockout mice exhibit an impaired respiratory response and an enhanced renal response to metabolic acidosis.Frontiers in physiology · 2023Article
- The proximal tubule through an NBCe1-dependent mechanism regulates collecting duct phenotypic and remodeling responses to acidosis.American journal of physiology. Renal physiology · 2023Article
- SLC4A4 promotes prostate cancer progression in vivo and in vitro via AKT-mediated signalling pathway.Cancer cell international · 2022Article
- Acid-base effects of combined renal deletion of NBCe1-A and NBCe1-B.American journal of physiology. Renal physiology · 2022Article
- Role of the renal androgen receptor in sex differences in ammonia metabolism.American journal of physiology. Renal physiology · 2021Article
- Expression of the regulated isoform of the electrogenic NaAmerican journal of physiology. Gastrointestinal and liver physiology · 2021Article
- NBCe1-A is required for the renal ammonia and KAmerican journal of physiology. Renal physiology · 2020Article
- Differences in acidosis-stimulated renal ammonia metabolism in the male and female kidney.American journal of physiology. Renal physiology · 2019Article
- Regulation of renal NaDC1 expression and citrate excretion by NBCe1-A.American journal of physiology. Renal physiology · 2019Article
- Emerging Features of Ammonia Metabolism and Transport in Acid-Base Balance.Seminars in nephrology · 2019Review
- Extrarenal Signs of Proximal Renal Tubular Acidosis Persist in Nonacidemic Nbce1b/c-Null Mice.Journal of the American Society of Nephrology : JASN · 2019Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors at 2 institutions in 1 country.
Funding
Abstract
Sodium-coupled bicarbonate transporters are critical for renal electrolyte transport. The electrogenic, sodium-coupled bicarbonate cotransporter, isoform 1 (NBCe1), encoded by the SLC4A4 geneencoded by the SLC4A4 gene has five multiple splice variants; the A splice variant, NBCe1-A, is the primary basolateral bicarbonate transporter in the proximal convoluted tubule. This study's purpose was to determine if there is expression of additional NBCe1 splice variants in the mouse kidney, their cellular distribution, and their regulation by metabolic acidosis. In wild-type mice, an antibody reactive only to NBCe1-A showed basolateral immunolabel only in cortical proximal tubule (PT) segments, whereas an antibody reactive to all NBCe1 splice variants (pan-NBCe1) showed basolateral immunolabel in PT segments in both the cortex and outer medulla. In mice with NBCe1-A deletion, the pan-NBCe1 antibody showed basolateral PT immunolabel in both the renal cortex and outer stripe of the outer medulla, and immunoblot analysis showed expression of a ~121-kDa protein. RT-PCR of mRNA from NBCe1-A knockout mice directed at splice variant-specific regions showed expression of only NBCe1-B mRNA. In wild-type kidney, RT-PCR confirmed expression of mRNA for the NBCe1-B splice variant and absence of mRNA for the C, D, and E splice variants. Finally, exogenous acid loading increased expression in the proximal straight tubule in the outer stripe of the outer medulla. These studies demonstrate that the NBCe1-B splice variant is present in the PT, and its expression increases in response to exogenous acid loading, suggesting it participates in the PT contribution to acid-base homeostasis.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.