Results 61 to 70 of about 4,216 (156)

Cimetidine Does Not Inhibit 5-Aminolevulinic Acid Synthase or Heme Oxygenase Activity: Implications for Treatment of Acute Intermittent Porphyria and Erythropoietic Protoporphyria

Biomolecules, 2023
Acute intermittent porphyria (AIP) is characterized by acute neurovisceral attacks that are precipitated by the induction of hepatic 5-aminolevulinic acid synthase 1 (ALAS1).
Makiko Yasuda, Sangmi Lee, Lin Gan, Hector A. Bergonia, Robert J. Desnick, John D. Phillips   +5 more
doaj   +1 more source

Worsening abdominal pain leading to false laparotomy: a case of acute intermittent porphyria

Journal of the Pakistan Medical Association
Acute intermittent porphyria (AIP), one of the most severe types of acute hepatic porphyria, is an autosomal dominant inherited disorder of heme biosynthesis. We present a case of a 16-year-old girl who presented with severe abdominal pain, subjected to
Tehreem Farah, Hania Batool, Nasir Ashraf, Fatima Qayyum Abbasi, Aisha Nasir   +4 more
doaj   +1 more source

Characterizing hepatic porphyria: Insights from a quaternary care hospital in Bogotá, Colombia (2013–2023)

Journal of International Medical Research
Introduction Acute hepatic porphyrias are rare, life-threatening genetic disorders that impair heme biosynthesis, often presenting with nonspecific symptoms that lead to misdiagnosis.
María C Martínez-Ávila, Eugenio Matijasevic-Arcila, Stefania Pantoja-Chica, Alieth L Acosta-Cardozo   +3 more
doaj   +1 more source

Letter to the Editor—Comment on “Erythropoietic Protoporphyria and Surgery: A Case of Successful Mastectomy With Perioperative Light Shielding Strategies Based on Light‐Induced Hemolytic Threshold Assessment”

The Journal of Dermatology, EarlyView.
Ingeborg de Rover, N. Chantal Peltenburg, Johan C. M. Sweep, Janneke G. Langendonk   +3 more
wiley   +1 more source

Severe Abdominal Pain as a Prominent Clinical Manifestation of Anti‐DPPX Autoimmune Encephalitis: A Case Report and Systematic Review

Immunity, Inflammation and Disease, Volume 14, Issue 6, June 2026.
ABSTRACT Background Anti‐dipeptidyl‐peptidase‐like protein 6 encephalitis (DPPXE) is an exceptionally rare form of autoimmune encephalitis characterized by a highly heterogeneous clinical phenotype. Methods In this study, we report a Chinese patient presenting with severe abdominal pain as a prominent symptom; furthermore, we conducted a systematic ...
Difang Shi, Haohao Wu, Baogang Huang, Yan Zheng, Jia Liu, Jianjian Bao, Fengming Xu, Kang Du   +7 more
wiley   +1 more source

Post- Partum Acute Intermittent Porphyria - A Case Report

The Indian Anaesthetists' Forum, 2010
Porphyrias are inherited disorders, each involving a specific enzyme in heme biosynthetic pathways. Acute intermittent porphyria, one of the hepatic porphyria is the most severe form of the disease, with gastrointestinal and neuropsychiatric ...
Gaurav Tomar, Ashish Sethi, TC Kriplani, Neeraj Narang   +3 more
doaj  

Biallelic pathogenic hydroxymethylbilane synthase gene variants of a neurodegenerative disorder with progressive cystic leukoencephalopathy: a case report

Journal of Medical Case Reports
Background Heterozygous mutations of the hydroxymethylbilane synthase gene can lead to acute intermittent porphyria, with episodic abdominal pain and neuropsychiatric symptoms.
Gabriel Schacht, Miriam Elbracht, Anna-Elisabeth Minder, Thomas Stauch, Arzu Stoppe, Eva Lausberg, Martin Häusler   +6 more
doaj   +1 more source

Erythropoietic Protoporphyria and Surgery: A Case of Successful Mastectomy With Perioperative Light Shielding Strategies Based on Light‐Induced Hemolytic Threshold Assessment

The Journal of Dermatology, Volume 53, Issue 6, Page 930-933, June 2026.
ABSTRACT A 50‐year‐old female patient was referred to our department for consultation regarding perioperative management of breast cancer surgery. She had a history of photosensitivity since childhood and was diagnosed with erythropoietic protoporphyria (EPP) during her first pregnancy.
Fumika Tateishi, Naoya Murayama, Ruri Nakamuta, Masahisa Watanabe, Aya Tanaka, Hiroyuki Murota   +5 more
wiley   +1 more source

Acute hepatic porphyria: when to perform liver transplantation?

Medicina, 2021
Acute hepatic porphyrias (AHPs) are inborn errors of hemebiosynthesis and its most common and severe type is the acute intermittent porphyria (AIP). AIP is an hereditary autosomal dominant disease caused by accumulated porphobilinogen deaminase (PBG) and
Maria Eugênia Carinhani de Cico, Amanda Macedo Sanches Mateus, Bruna Forte Giacheto, Zumira Carneiro, CHARLES MARQUES LOURENCO   +4 more
doaj  

Reversible cerebral vasoconstriction syndrome: A narrative review

Headache: The Journal of Head and Face Pain, Volume 66, Issue 5, Page 1162-1180, May 2026.
Abstract Objectives/Background This review summarizes current insights into Reversible cerebral vasoconstriction syndrome (RCVS) diagnosis, management, and outcomes. RCVS is a cerebrovascular disorder characterized by recurrent thunderclap headaches and transient segmental vasoconstriction of cerebral arteries, typically resolving within 3 months ...
Ícaro Araújo de Sousa, Abner da Silva Machado, Arthur de Oliveira Veras, Thiago Oscar Goulart, Sarah Galassi Tatsuta, Trajano Aguiar Pires Gonçalves, Eva Rocha, Octávio Marques Pontes‐Neto   +7 more
wiley   +1 more source