What's the difference between purpuric and purpurin?
Purpuric
Definition:
(a.) Of or pertaining to purpura.
(a.) Pertaining to or designating, a nitrogenous acid contained in uric acid. It is not known in the pure state, but forms well-known purple-red compounds (as murexide), whence its name.
Example Sentences:
(1) A close correlation between purpuric reaction and drugs was observed in seven cases of chronic pigmented purpura.
(2) A palpable, purpuric, nonpruritic eruption occurred in a 64-year-old man nine days after he received intravenous streptokinase therapy, which was successful in treating acute myocardial infarction.
(3) Henoch-Schönlein Syndrome (HSS) is characterized by the presence of purpuric skin lesions, colicky abdominal pain, renal manifestations, and arthritis.
(4) The majority of these reactions, such as urticarial, purpuric, maculo-papular, and pustular exanthemas as well as photallergic reactions, generally do not endanger the life of the patient.
(5) The results of this investigation indicate that there are at least three pathogenetically differing groups among the clinical purpuric conditions.
(6) An 80-year-old woman with essential cryoglobulinemia developed recurrent, widespread, purpuric lesions with superficial skin ulcers and cold urticaria.
(7) Biopsy of uninvolved, rather than of purpuric, skin for direct immunofluorescence studies may be more helpful in confirming the diagnosis of Henoch-Schönlein purpura because tissue morphology is usually of better quality.
(8) A case study and literature review are presented to encourage the inclusion of Schamberg's purpura in the differential diagnosis of purpuric eruptions in childhood.
(9) The oral lesions had a characteristic appearance with a granular purpuric surface.
(10) Thirty-five patients (greater than or equal to 13 years of age) with meningococcal infection, circulatory shock, and generalized purpuric lesions of abrupt onset were recorded in eight intensive care units from 1977 to 1989.
(11) Two years later he developed abdominal pain, rectal bleeding, gross hematuria and a classic purpuric rash of Henoch-Schönlein syndrome (HSS).
(12) Formation of purpuric membranes depends on the light spectral composition applied for culture illumination.
(13) Diagnosis and treatment were often delayed because doctors did not realise the importance of the purpuric rash.
(14) Patch test reactions in a patient with purpuric contact dermatitis to 5% benzoyl peroxide are described.
(15) Brazilian purpuric fever (BPF) is a life-threatening pediatric infection that is preceded by conjunctivitis and caused by a specific strain of Haemophilus influenzae biogroup aegyptius (BPF clone).
(16) At a decrease of cultivation temperature even under the blue light the formation of purpuric membranes is inhibited.
(17) The pigmented purpuric dermatoses are a group of disorders in which there is chronic capillaritis, with pigmented purpuric lesions predominantly on the lower limbs.
(18) Human hypersensitivity angiitis is an immune complex disease in which patients present with palpable purpuric lesions of the skin and may often have multiple organ involvement.
(19) Case 2: A 37-year-old woman was admitted to our hospital because of purpuric eruptions over the legs for three years.
(20) Brazilian purpuric fever is a rapidly fatal childhood disease associated with a clonal strain of Haemophilus influenzae biogroup aegyptius.
Purpurin
Definition:
(n.) A dyestuff resembling alizarin, found in madder root, and extracted as an orange or red crystalline substance.
Example Sentences:
(1) A cDNA for purpurin, a secreted 20,000 dalton neural retina cell adhesion and survival protein, has been sequenced and expressed in mammalian cells.
(2) Purpurin was not retained intracellularly and did not bind to TTR coupled to Sepharose.
(3) Purpurins, which have strong absorption bands above 650 nm.
(4) The 20,000-mol-wt protein, called retinal purpurin (RP), stimulates neural retina cell-substratum adhesion and prolongs the survival of neural retina cells in culture.
(5) In 30-day tumor regrowth studies, 70% of animals treated with the metallopurpurin derivative SnET2 were free of tumors while 50% of the animals treated with the free-base purpurin ET2 were free of tumor.
(6) In spite of UV-vis and mass spectroscopic similarities, the "purpurin" 7 differs from the "purpurins" 6a,b by the loss of ring A.
(7) The synthesis of purpurins from etioporphyrin I and coproporphyrin I proceeds in high yield and with a high degree of regioselectivity.
(8) Product formation can be rationalized in terms of relief of steric strain about the periphery of the purpurin macrocycle.
(9) Purpurin mRNA is found in both embryonic and adult retina, but not the brain, heart, or liver.
(10) In contrast to RBP, purpurin was not retained in vitamin A-deficient HeLa cells.
(11) Purpurin and the serum RBP are, however, different molecules, for the serum protein is approximately 3,000 D larger than purpurin and has different silver-staining characteristics.
(12) Most interestingly, anti-purpurin and anti-HSPG bound only to one end of adhesive filaments.
(13) Purpurin derivatives, a group of synthetic photosensitizers, were tested for their photodynamic activity against transplantable N-[4-(5-nitro-2-furyl)-2-thiazolyl]formamide-induced urothelial tumors growing in male Fischer 344 rats.
(14) In contrast to RBP, expressed purpurin did not bind to transthyretin (TTR).
(15) Purpurins are a class of porphyrin derivative that have been shown to have good in vivo cytotoxicity to N-[4-(5-nitro-2-furyl)-2-thiazolyl]formamide (FANFT) induced rat bladder tumors (AY-27) implanted into Fisher 344 rats.
(16) Finally, purpurin supports the survival of dissociated ciliary ganglion cells, indicating that RBPs can act as ciliary neurotrophic factors.
(17) A 20,000-D protein called purpurin has recently been isolated from the growth-conditioned medium of cultured embryonic chick neural retina cells (Schubert, D., and M. LaCorbiere, 1985, J.
(18) Purpurin binds retinol and may play a major role in retinol transport across the interphotoreceptor cell matrix.
(19) Ferritin iron was released by a number of bipyridyl radicals including those derived from diquat and paraquat, the anthracycline radicals of adriamycin, daunorubicin and epirubicin, the semiquinones of anthraquinone-2-sulphonate, 1,5 and 2,6-dihydroxyanthraquinone, 1-hydroxyanthraquinone, purpurin, and plumbagin, and the nitroaromatic radicals of nitrofurantoin and metronidazole.
(20) In V79 cells, only HA with 2 hydroxy groups in the 1,3 positions (1,3-DHA, purpurin, emodin) or with a hydroxymethyl sidechain (lucidin and aloe-emodin) were mutagenic.