Medicine raw materials,Pharmaceuticals ,Advanced chemicla ,Assay-kits,Proteins,APIs
Thursday, December 19, 2013
What is Tretinoin?
Tretinoin is a retinoid, which are compounds accompanying to vitamin A. They advice to adapt the gene functions that acquiesce beef to abound and divide. Tretinoin seems could cause the aberrant promyelocytic leukemic beef to mature, and acquiesce accustomed white claret beef to abound in the cartilage marrow. The exact way it works is still unclear. Since the advance of accustomed physique beef may aswell be afflicted by tretinoin, added furnishings can occur. Some furnishings may not action for months or years afterwards the biologic is used.
Tretinoin is acclimated to amusement astute promyelocytic leukemia that has assertive gene changes, in which the continued accoutrements of chromosomes 15 and 17 are switched (translocated).
Monday, December 16, 2013
What is Andrographolide?
Andrographolide is
a almighty anticancer and anti-inflammatory abettor abandoned from the bulb
Andrographis paniculata. It is begin to be cytotoxic adjoin assorted blight
corpuscle curve (in vitro) and aswell appear to act as an anti-inflammatory
abettor by interfering with NF-κB protein. Andrographolide induced college
allotment of apoptosis in glutathione-depleted lymphoma corpuscle lines.
Andrographolide was aswell appear to anatomy dehydrated adduct with bargain
glutathione at 50° C. On the base of these observations, the advancing assay of
andrographolide with its ambition protein (NF-κB/p50) and its proposed
anti-target protein (glutathione S-transferase) was agitated out. Advancing
assay predicted the best accepted affectation of andrographolide atom in the
alive website of NF-κB and glutathione S-transferase proteins. Here we address
that the furan ring of andrographolide interacts with cysteine 59 of NF-κB/p50
and thereby inhibiting the protein action. Advancing studies showed the
andrographolide bounden to the H-site of glutathione S-transferase agitator
which resembles the behaviour of affected xenobiotics inactivated by
glutathione S-transferase enzyme. Andrographolide obeys Pfizer's aphorism but
drug-likeness amount for andrographolide is begin to be abrogating as the atom
showed low biologic score. Hence, inactivation by glutathione S-transferase and
low biologic account could possibly be the affidavit to accomplish
andrographolide abeyant in analytic trial.
Wednesday, November 27, 2013
What is Hydroxypropyl-β-Cyclodextrin?
CAS : 94035-02-6
Molecular formula
: C54H102O39
Molecular Weight :
1375.36
Hydroxypropyl beta cyclodextrin (HPBCD) is being tested for a disease called Niemann-Pick disease
type C1 (NPC1). NPC1 is a genetic disorder that results in gradual loss of
nervous system function. Cholesterol and other fats have trouble moving out of
the brain cells, which makes the cells work poorly and leads to symptoms. There
is no treatment currently approved in the US for NPC1. Researchers want to
test if it is safe to use HPBCD for NPC1. They want to see if it can help brain
cells process cholesterol better.
Sunday, November 24, 2013
What is Prucalopride?
Prucalopride is an agonist of the serotonin 5HT4 receptors. These receptors are begin in the gut and aesthetic them increases motility. The biologic is taken already a day. The tablets accept a top articulate bioavailability and can be taken with or after food. There is little metabolism of prucalopride. Most of the dosage is excreted banausic in the urine. A lower dosage is recommended for aged patients and those with astringent renal or hepatic impairment.
Prucalopride is contraindicated in patients with ileus, obstruction or anarchic bowel disease. It should not be acclimated afterward bowel surgery.
Tuesday, November 19, 2013
What is Milbemycin oxime?
Milbemax is a proprietary anthelmintic absolute milbemycin oxime and praziquantel and is acclimated for ascendancy of endoparasites in cats. It is an articulate broad-spectrum anthelmintic accustomed already a month.
Milbemax is an articulate broad-spectrum anthelmintic book for the analysis of alloyed infections with roundworms, hookworms and tapeworms, and the blockage of heartworm ache in cats.
Milbemycin oxime belongs to the accumulation of macrocyclic lactones, abandoned from the beverage of Streptomyces hygroscopicus var. aureolacrimosus. It is alive adjoin mites, abecedarian and developed stages of nematodes as able-bodied as adjoin larvae of Dirofilaria immitis. The activity of milbemycin is accompanying to its activity on bearcat neurotransmission: Milbemycin oxime, like avermectins and added milbemycins, increases nematode and insect film permeability to chloride ions via glutamate-gated chloride ion channels (related to bearcat GABAA and glycine receptors). This leads to hyperpolarisation of the neuromuscular film and debilitated aeroembolism and afterlife of the parasite.
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Sunday, November 17, 2013
Passion Flower Uses and Pharmacology
Passion flower
( Passiflora incarnata ) is a vine whose leaves and flowers are
widely used in Europe to make a herbal remedy
for anxiety and insomnia . The plant, which is native to the tropical
regions of North America , was first used by
the Aztecs of Mexico as a folk remedy for these conditions. Passion flower is
also known as maypop, apricot vine, passion vine, and granadilla. It grows as
much as 30 ft (10 m ) tall, with a thick, woody stem.
Passion flower has
been researched for its sedative and anxiolytic effects. A 1986 survey of
British herbal sedatives revealed passion flower as the most popular. Other
popular species included Valeriana officinalis , Humulus lupulus , and
Scutellaria lateriflora . Martindale, The Extra Pharmacopoeia lists many
multi-ingredient preparations from other countries.
The pharmacological
activity of Passiflora is attributed primarily to the alkaloids and flavonoids.
The harmala alkaloids inhibit monoamine oxidase, which may account for part of
their pharmacologic effect.
Tuesday, November 5, 2013
Product name:Ethyl (R)-4-phenyl-2-[[(trifluoromethyl)sulfonyl]oxy]butyrate
CAS:88767-98-0
Molecular
formula:C13H15F 3O5S
Molecular
weight:340.32
Synonyms : (R)-1-(ethoxycarbonyl)-3-phenylpropyl
trifluoromethanesulfonate
(R)-ethyl
4-phenyl-2-(trifluoromethylsulfonyloxy)butanoate
Density:1.348 g /cm3
Boiling Point:390.81 °C at 760 mmHg
Flash Point:190.155 °C
Product
description:Ethyl (R)-4-phenyl-2-[[(trifluoromethyl)sulfonyl]oxy]butyrate is
used as the pharmaceutical intermediates.
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