Protoporphyrins

Known as: Protoporphyrin, Protoporphyrins [Chemical/Ingredient] 
Porphyrins with four methyl, two vinyl, and two propionic acid side chains attached to the pyrrole rings. Protoporphyrin IX occurs in hemoglobin… (More)

Topic mentions per year

Topic mentions per year

1935-2018
05010019352017

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2008
Highly Cited
2008
The plastid plays a vital role in various cellular activities within plant cells including photosynthesis and other metabolic… (More)
Is this relevant?
2005
2005
Transplantation of islets of Langerhans in patients with type 1 diabetes allows for improved metabolic control and insulin… (More)
Is this relevant?
Highly Cited
2003
Highly Cited
2003
Plant cells coordinately regulate the expression of nuclear and plastid genes that encode components of the photosynthetic… (More)
Is this relevant?
Highly Cited
2003
Highly Cited
2003
The activity of heme oxygenase enzymes (HOs) is responsible for the endogenous source of carbon monoxide (CO). Their activities… (More)
Is this relevant?
Highly Cited
2002
Highly Cited
2002
The mechanisms underlying the action of the potent anti-inflammatory interleukin-10 (IL-10) are poorly understood. Here we show… (More)
  • figure 1
  • figure 2
  • figure 3
  • figure 4
  • figure 5
Is this relevant?
Highly Cited
2000
Highly Cited
2000
Heme oxygenase 1 (HO-1) inhibits apoptosis by regulating cellular prooxidant iron. We now show that there is an additional… (More)
  • figure 1
  • figure 2
  • figure 3
  • figure 4
  • figure 5
Is this relevant?
Highly Cited
1996
Highly Cited
1996
Heme oxygenase 2 (HO-2), which synthesizes carbon monoxide (CO), has been localized by immunohistochemistry to endothelial cells… (More)
Is this relevant?
Highly Cited
1995
Highly Cited
1995
Carbon monoxide (CO) is a product of the enzyme heme oxygenase (HO; EC 1.14.99.3). In vascular smooth muscle cells, exogenously… (More)
Is this relevant?
Highly Cited
1995
Highly Cited
1995
The first study of photodynamic therapy in the human gastrointestinal tract using 5 aminolaevulinic acid (ALA) induced… (More)
Is this relevant?
1982
1982
Soluble guanylate cyclase [GTP pyrophosphate-lyase (cyclizing), EC 4.6.1.2] purified from bovine lung is markedly activated (30… (More)
Is this relevant?