Abstract：
:We have studied acid-base balance in 32 patients attending the renal clinic of Mount Sinai Hospital. The parameters of acid-base balance measured included acid production measured as urinary sulfate and organic anions, net acid excretion measured as urinary ammonia plus titratable acid minus bicarbonate, and net GI absorption of alkali measured by a new method utilizing urinary electrolytes. Net GI absorption of alkali by urinary electrolytes measures alkali addition to the body from the GI tract as well as from any other sources, including bone. All patients had a creatinine clearance less than 80 ml/min and they were divided into two groups: those with normal serum bicarbonate (Group 1; N = 12) and those with subnormal serum bicarbonate (Group 2; N = 20). Hydrogen ion balance was -0.6 +/- 9 mEq/day in the first group, while those in the second group had a hydrogen ion balance of +16 +/- 5 mEq/day. A group of 8 normal controls had a hydrogen ion balance of -0.3 +/- 5 mEq/day. When the sum of all cations was compared with the sum of all anions in the urine, a cation gap of exactly the same magnitude as the positive hydrogen ion balance was found in patients with low serum bicarbonate. In conclusion, our data show that patients with decreased GFR and low serum bicarbonate appear to have a significantly positive hydrogen ion balance. However, we believe that the positive hydrogen ion balance is only apparent, but not real for the following reasons.(ABSTRACT TRUNCATED AT 250 WORDS)
journal_name
Kidney Intjournal_title
Kidney internationalauthors
Uribarri J,Douyon H,Oh MSdoi
10.1038/ki.1995.79subject
Has Abstractpub_date
1995-02-01 00:00:00pages
624-7issue
2eissn
0085-2538issn
1523-1755pii
S0085-2538(15)58843-1journal_volume
47pub_type
杂志文章abstract：:The incidence of malnutrition disorders in chronic kidney disease (CKD) appears unchanged over time, whereas patient-care and dialysis techniques continue to progress. Despite some evidence for cost-effective treatments, there are numerous caveats to applying these research findings on a daily care basis. There is a s...
journal_title：Kidney international
pub_type： 杂志文章,评审
doi：10.1038/ki.2011.118
更新日期：2011-08-01 00:00:00
abstract：:Efficacy and safety of antibiotic 'locks', in prevention of thrombotic and infectious complication-related morbidity and mortality, among diabetics dialyzed through tunneled-cuffed catheters (TCCs) has not been effectively investigated. This trial was designed to investigate the outcome of TCCs (n = 109), inserted amo...
journal_title：Kidney international
pub_type： 杂志文章,随机对照试验
doi：10.1038/sj.ki.5001776
更新日期：2006-11-01 00:00:00
abstract：:Protein and mRNA expression of TGF-beta isoforms, TGF-beta 1, -beta 2 and -beta 3, and deposition of fibronectin containing extra domain A (fibronectin EDA+) and plasminogen activator inhibitor-1 (PAI-1) were studied in human chronic glomerulonephritis and diabetic nephropathy. Normal kidneys showed similar, weak immu...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/ki.1996.65
更新日期：1996-02-01 00:00:00
abstract：:To verify the hypothesis that angiotensin-converting enzyme (ACE) inhibitors possess a unique renoprotective effect in progressive chronic renal disease, we decided to compare the effects of an ACE inhibitor and a calcium antagonist on both hypertension and the progression of non-diabetic renal insufficiency in a long...
journal_title：Kidney international
pub_type： 临床试验,杂志文章,多中心研究,随机对照试验
doi：10.1038/ki.1992.309
更新日期：1992-08-01 00:00:00
abstract：:Continuous antigen stimulation during chronic infection or malignancy can promote functional T cell silencing, a phenomenon called T cell exhaustion. The prevalence and impact of T cell exhaustion following organ transplantation, another immune stimulus with persistently high antigen load, are unknown. Here, we charac...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1016/j.kint.2019.01.040
更新日期：2019-08-01 00:00:00
abstract：:Recent studies of timing of dialysis initiation have challenged the recent trend to earlier initiation of therapy. The observed outcomes though are a consequence of the balance between the risks of advanced uremia versus the inherent dangers relating to dialysis therapy itself. Many of these risks are inherent in how ...
journal_title：Kidney international
pub_type： 杂志文章,评审
doi：10.1038/ki.2012.133
更新日期：2012-08-01 00:00:00
abstract：:Proliferation of mesangial cells is frequently found in glomerulonephritis, such as IgA glomerulonephritis. Recent reports suggest that a brain/embryo-type myosin isoform (MIIB2) is involved in cell proliferation. We have studied the expression of MIIB2 in renal biopsy samples from patients with various renal diseases...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/ki.1996.191
更新日期：1996-05-01 00:00:00
abstract：:Intravital multiphoton microscopy is a powerful tool to study kidney physiology in living animals. However, certain technical issues have curbed its usage to date, including limited depth of tissue penetration and high background emission of endogenous signals. Most previous studies have used the excitation range 700–...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/ki.2015.323
更新日期：2016-03-01 00:00:00
abstract：:The transforming growth factor-beta (TGF-beta) plays a central role in the progression of renal fibrosis. TGF-beta transduces its signal through the activin receptor-like kinase (ALK)5. IN-1130, a novel small molecule ALK5 inhibitor, inhibited the purified kinase domain of ALK5-mediated Smad3 phosphorylation with an I...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/sj.ki.5001775
更新日期：2006-10-01 00:00:00
abstract：:McAdoo et al. propose that patients with both circulating antiglomerular basement membrane antibody and antineutrophil cytoplasm antibody demonstrate a phenotype that lies between that of single-positive antiglomerular basement membrane disease and antineutrophil cytoplasm antibody-associated vasculitis. Specifically,...
journal_title：Kidney international
pub_type： 评论,杂志文章
doi：10.1016/j.kint.2017.04.024
更新日期：2017-09-01 00:00:00
abstract：:Treatment of mesangial cells with recombinant human interleukin 1 beta (IL-1 beta) triggers the expression of a macrophage-type of nitric oxide (NO) synthase and the subsequent increase of cellular concentration of cGMP and nitrite production. Tetrahydrobiopterin (BH4) is an essential cofactor for NO synthase, and in ...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/ki.1994.398
更新日期：1994-11-01 00:00:00
abstract：:The beta-amino acid transport capabilities of rat renal epithelium were assessed using brushborder membrane vesicles (BBMV). Taurine, a metabolically inert sulfur-containing amino acid, was studied with emphasis on the renal adaptation to dietary sulfur amino acid alteration. Three isoproteinic diets were given to Spr...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/ki.1983.198
更新日期：1983-11-01 00:00:00
abstract：:The purpose of this prospective, angiographically controlled study was to determine the diagnostic value of color Doppler sonography with two differing approaches of scanning in patients with clinical clues for renal artery stenosis (RAS). In 135 hypertensive patients peak systolic velocity in the main renal arteries ...
journal_title：Kidney international
pub_type： 临床试验,杂志文章
doi：10.1038/ki.1996.440
更新日期：1996-10-01 00:00:00
abstract：:We describe a rat model of renal failure that separates catabolic and anabolic states from each other. Muscle protein synthesis was compared during the anabolic period between sham (S) operated and renal failure (RF) rats that were fed different levels of dietary protein. Male rats weighing between 60 and 80 g first h...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/ki.1991.104
更新日期：1991-05-01 00:00:00
abstract：:In rodents, mercuric chloride (HgCl2) causes an autoimmune disorder with glomerulonephritis (GN), and represents an animal model for the pathogenesis of GN. We have tested the hypothesis that HgCl2 induces major histocompatibility complex (MHC) expression in renal parenchymal cells, and studied the kinetics of this in...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/ki.1991.33
更新日期：1991-02-01 00:00:00
abstract：:The microvillus brush border on the renal proximal tubule epithelium allows the controlled reabsorption of solutes that are filtered through the glomerulus and thus participates in general body homeostasis. Here, using the lipid 5-phosphatase Ship2 global knockout mice, proximal tubule-specific Ship2 knockout mice, an...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1016/j.kint.2017.01.008
更新日期：2017-07-01 00:00:00
abstract：BACKGROUND:A need exists for a therapy that lowers parathyroid hormone (PTH) without increasing calcium x phosphorus in patients with secondary hyperparathyroidism. The calcimimetic AMG 073 increases the sensitivity of the parathyroid calcium-sensing receptor to extracellular calcium, thereby reducing PTH secretion. Co...
journal_title：Kidney international
pub_type： 临床试验,杂志文章,多中心研究,随机对照试验
doi：10.1046/j.1523-1755.2003.00720.x
更新日期：2003-01-01 00:00:00
abstract：BACKGROUND:Bicarbonate reabsorption in the kidney proximal tubule is predominantly mediated via the apical Na+/H+ exchanger (NHE-3) and basolateral Na+: HCO(-3) cotransporter (NBC-1). The purpose of these studies was to examine the effects of Na+ load and altered acid-base status on the expression of NHE-3 and NBC-1 in...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1046/j.1523-1755.2001.00995.x
更新日期：2001-11-01 00:00:00
abstract：:We have analyzed the protein content of proximal tubular fluid (PTF) by ultramicro disc electrophoresis and measured total protein excretion rates both in control conditions and during angiotensin infusion to the rat. Under control conditions PTF albumin concentration was 1.49 +/- 1.12 (SD) mg/100 ml and did not incre...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/ki.1975.83
更新日期：1975-08-01 00:00:00
abstract：:Leukocytes play a major role in the development and progression of autoimmune diseases. We measured gene expression differences in leukocytes from patients that were antineutrophil cytoplasmic autoantibody (ANCA) positive, patients with systemic lupus erythematosus (SLE) or rheumatoid arthritis (RA), and healthy donor...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/sj.ki.5002371
更新日期：2007-10-01 00:00:00
abstract：:Carefully age-matched, purebred male beagle dogs that underwent uninephrectomy one month after they were made diabetic with alloxan were used to establish a model of rapidly developing diabetic nephropathy in a large animal. The diabetic animals, all requiring insulin, were divided into two groups: one group with cont...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/ki.1982.88
更新日期：1982-05-01 00:00:00
abstract：:Renin secretion was compared in vivo and in vitro among five groups of rats, each group subjected to a different sodium balance for 10 to 14 days. The state of the renin-angiotensin system in vivo was evaluated by measuring the renal renin (RR) and the plasma renin concentration (PRC) in both anesthetized and nonanest...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/ki.1980.71
更新日期：1980-05-01 00:00:00
abstract：:In membranous nephropathy (MN) overproduction of matrix by glomerular epithelial cells (GEC) is believed to be responsible for glomerular basement membrane thickening and spikes. We studied experimental MN in rats (passive Heymann nephritis, PHN) at 5, 10 and 30 days. PHN rats exhibited a marked increase in GEC immuno...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/ki.1996.294
更新日期：1996-07-01 00:00:00
abstract：BACKGROUND:Strict glycemic control and antihypertensive treatment may decrease but not eliminate the risk of progressive nephropathy in diabetic patients. C-peptide has been shown to exert beneficial effects on complications, including incipient nephropathy, in type 1 diabetes. METHODS:Renal effects of 14 days of intr...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1046/j.1523-1755.2001.00964.x
更新日期：2001-10-01 00:00:00
abstract：:The defect in urinary acidification induced by amphotericin B (AMB) was further characterized in turtle bladder. Since AMB has been shown to increase the hydrogen ion (H+) permeability of this epithelium in the absence of exogenous bicarbonate ions (HCO3-), we explored the permeability characteristics in the presence ...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/ki.1977.39
更新日期：1977-04-01 00:00:00
abstract：:Insulin-like growth factor I (IGF-I) has been found in the kidney, particularly in the collecting duct in the rat. Since cultured rabbit collecting duct cells constitute a convenient system for in vitro studies, we have examined whether these cells secrete IGF-I. Culture medium conditioned by collecting duct cells was...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/ki.1991.3
更新日期：1991-01-01 00:00:00
abstract：:Fourteen subjects with persistent azotemia and normal glomerular filtration rate were studied by renal clearances and hormonal determinations to establish the nephron site of altered urea transport and the mechanism(s) responsible for their azotemia. During constant alimentary protein, urea nitrogen appearance was nor...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/ki.1987.266
更新日期：1987-11-01 00:00:00
abstract：BACKGROUND:There is growing evidence pointing to an involvement of cytokines and growth factors in renal osteodystrophy. In this study, the expression of interleukin-l beta (IL-1 beta), tumor necrosis factor-alpha (TNF-alpha), transforming growth factor-beta (TGF-beta), and basic fibroblast growth factor (bFGF) in bone...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1046/j.1523-1755.2003.00835.x
更新日期：2003-03-01 00:00:00
abstract：:Mechanisms responsible for renal hemodynamic alterations were studied in jaundiced (by bile-duct ligation) rabbits (BDL) 10 days after ligation of the biliary tract, in comparison with sham-operated rabbits (SO). Arterial hematocrit, plasma volume, blood pressure, abdominal inferior vena cava pressure, and heart rate ...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/ki.1980.25
更新日期：1980-02-01 00:00:00
abstract：:A morphometric technique is used to estimate the absolute and relative surface areas of the brush border microvilli and cell walls bordering lateral intercellular spaces. In isolated, perfused proximal tubule from rabbit, the luminal and lateral surfaces are equal in area. For proximal convoluted tubules (PCT) each su...
journal_title：Kidney international
pub_type： 杂志文章
doi：10.1038/ki.1975.125
更新日期：1975-12-01 00:00:00
