Jan 1, 1975

Epidermal nicotinamide adenine dinucleotides in psoriasis and neurodermatitis (lichen simplex hypertrophicus)

Archiv Für Dermatologische Forschung
H Hammar


Epidermal nicotinamide adenine dinucleotides were measured in subcorneal and basal epidermal layers in patients with psoriasis and neurodermatitis and in healthy controls. Lowry's microtechniques utilizing enzymatic cycling were used. The total NAD content in these groups was except for the involved psoriatic skin about 1.1 mmoles/kg dry weight. Between 40 and 50% of this content consisted of the reduced form. In the involved psoriatic skin the total NAD content was increased to 1.5 mmoles/kg, this increase being mainly due to a rise in NAD+. There was no difference in NAD content between epidermal layers in the various groups studied. The total NADP content was near 0.15 mmoles/kg in healthy controls and in patients with neurodermatitis. The subcorneal layers contained 10% more of the dinucleotide than the basal layers, but in the two layers the reduced form amounted to about 80% of the total. In both non-involved and involved skin of the psoriatic patients the total NADP content was significantly increased above the control level, by up to 20% in the former and up to 65% in the latter. In the two layers studied the NADP+ content was increased by about 75% in both non-involved and involved areas. In contrast, the NADPH content...Continue Reading

  • References14
  • Citations4


  • References14
  • Citations4


Mentioned in this Paper

Energy Metabolism
Lichen Simplex Chronicus

Trending Feeds


Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Coronavirus Protein Structures

Deciphering and comparing the proteins of different coronaviruses forms a basis for understanding SARS-CoV-2 evolution and virus-receptor interactions. This feed follows studies analyzing the structures of coronavirus proteins, thereby revealing potential drug target sites.

DDX3X Syndrome

DDX3X syndrome is caused by a spontaneous mutation at conception that primarily affects girls due to its location on the X-chromosome. DDX3X syndrome has been linked to intellectual disabilities, seizures, autism, low muscle tone, brain abnormalities, and slower physical developments. Here is the latest research.

ALS: Stress Granules

Amyotrophic Lateral Sclerosis (ALS) is a neurodegenerative disease characterized by cytoplasmic protein aggregates within motor neurons. TDP-43 is an ALS-linked protein that is known to regulate splicing and storage of specific mRNAs into stress granules, which have been implicated in formation of ALS protein aggregates. Here is the latest research.

Fusion Oncoproteins in Childhood Cancers

This feed explores the function of fusion oncoproteins in specific childhood cancers, including those from racial/ethnic minority and underserved groups, and to provide preclinical assessment of potential therapeutics and how fusion oncoproteins influence gene expression to perturb normal cellular programs to block lineage differentiation and development

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Regulation of Vocal-Motor Plasticity

Dopaminergic projections to the basal ganglia and nucleus accumbens shape the learning and plasticity of motivated behaviors across species including the regulation of vocal-motor plasticity and performance in songbirds. Discover the latest research on the regulation of vocal-motor plasticity here.

Mitotic-exit networks with cytokinesis

Cytokinesis is the highly regulated process that physically separates daughter and mother cells in late mitosis. The mitotic-exit network (MEN), the signalling pathway that drives mitotic exit, directly regulates cytokinesis. Discover the latest research on mitotic-exit networks with cytokinesis here.

DNA Replication Origin

DNA replication is initiated as specific gene sequences, called origins, that function to start DNA replication. Pre-replication complexes are assembled at these origins during the G1 phase of the cell cycle. These sequences allow for targeted activation or deactivation of replication. Discover the latest research on DNA replication origins here.