Results 61 to 70 of about 4,704 (177)

Acute Intermittent Porphyria in Childhood Presenting with Hypertensive Emergency and Posterior Reversible Encephalopathy Syndrome

open access: yesJournal of Pediatric Critical Care, 2016
Acute intermittent porphyria is an inherited metabolic disease due to deficiency of the enzyme porphobilinogen deaminase that can affect the autonomic, peripheral and central nervous system.
Rishab Bharadwaj   +2 more
doaj   +1 more source

Quantitative Analyses of Programmed Cell Death (PCD) Relevant Indicators in Postharvest Vegetable

open access: yesFuture Postharvest and Food, Volume 2, Issue 4, Page 444-457, December 2025.
The PCD relevant indicators of postharvest vegetable. ABSTRACT The measurement of factors related to postharvest programmed cell death (PCD) in vegetables is crucial for understanding the physiological and metabolic pathways involved in vegetable ripening, aging, and stress responses. PCD is an actively regulated process orchestrated by the interaction
Qianqian Shi   +5 more
wiley   +1 more source

Nanosensors in Leukemia Management: Pioneering Real‐Time Biomarker Detection for Precision Oncology

open access: yesNano Select, Volume 6, Issue 12, December 2025.
This review highlights pioneering nanosensors designed for real‐time leukemia biomarker detection, integrating advanced nanomaterials such as liposomes, polymeric nanoparticles and quantum dots. It examines electrochemical, optical and magnetic detection mechanisms, the applications across AML, ALL, CML, and CLL subtypes, and clinical translation ...
Hamed Soleimani Samarkhazan   +5 more
wiley   +1 more source

Studies on porphobilinogen [PDF]

open access: yesBiochemical Journal, 1953
P E, BROCKMAN, C H, GRAY
openaire   +2 more sources

Porphyric encephalopathy in a 15-year-old girl: A case report

open access: yesSAGE Open Medical Case Reports
A 15-year-old girl presented with new onset tonic-clonic seizures, encephalopathy, abdominal pain, and hypertension with a history of weight loss and emesis.
Saihari S Dukkipati   +6 more
doaj   +1 more source

Rat Porphobilinogen Deaminase Gene: A Pseudogene-Free Internal Standard for Laser-Assisted Cell Picking

open access: yesBioTechniques, 1999
Analysis of gene expression and its transcriptional regulation requires a reliable access to target mRNA. However, mRNA extractions from homogenized tissue are limited because only average data are obtained, and cell-specific expression may not be ...
L. Fink   +5 more
doaj   +1 more source

Hepatocyte Transplantation Ameliorates the Metabolic Abnormality in a Mouse Model of Acute Intermittent Porphyria

open access: yesCell Transplantation, 2014
Acute intermittent porphyria (AIP) is an autosomal dominant disorder characterized by insufficient porphobilinogen deaminase (PBGD) activity. When hepatic heme synthesis is induced, porphobilinogen (PBG) and 5-aminolevulinic acid (ALA) accumulate, which ...
Zhaohui Yin   +5 more
doaj   +1 more source

Acute Intermittent Porphyria: A Report of 3 Cases with Neuropathy

open access: yesCase Reports in Neurology, 2019
The porphyrias are metabolic disorders due to a defect in the heme biosynthetic pathway. Patients have diverse clinical presentations with neuropathy being frequent in acute intermittent porphyria (AIP).
Mohammed Alqwaifly   +2 more
doaj   +1 more source

The Remarkable Character of Porphobilinogen Synthase [PDF]

open access: yesAccounts of Chemical Research, 2016
Porphobilinogen synthase (PBGS), also known as 5-aminolevulinate dehydratase, is an essential enzyme in the biosynthesis of all tetrapyrroles, which function in respiration, photosynthesis, and methanogenesis. Throughout evolution, PBGS adapted to a diversity of cellular niches and evolved to use an unusual variety of metal ions both for catalytic ...
openaire   +2 more sources

A Quantitative Assay for Urinary Porphobilinogen

open access: yesClinical Chemistry, 1964
Abstract A procedure has been developed for the rapid, quantitative determination of urinary porphobilinogen. Interfering substances are removed by selectively adsorbing the porphobilinogen with an ion-exchange resin using a batch method.
D J, MOORE, R F, LABBE
openaire   +2 more sources

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