Multidrug Resistance Associated Protein 1
Multidrug resistance associated protein 1refers to a protein that is encoded by ABCC1 gene in humans. The protein that is encoded by ABCC1 gene is part of the genes that belong to a super-family of the ATP-binding cassette or ABC transporters. ABC proteins are responsible for the transportation of different molecules across the intra and extra-cellular membranes.
There are seven divisions or distinct subfamilies of the ABC genes. These are the ABC1, MRP, MDR/TAP, OABP, ALD, GCN20 and White. Multidrug resistance associated protein 1is a full transporter belonging to the MRP subfamily that is involved in the multi-drug resistance activities. The function of this protein is to act as multi-specific organic anion transporter with the oxidized glutathione, activated aflatoxin B, and cysteinly leukotrienes as the substrates.
The protein is also responsible for transporting sulfate conjugates and glucuronides of the steroid hormones as well as bile salts. Different splice variants result from alternative splicing of the exon deletion but original reading of the open frame in all the forms is maintained.
Multidrug resistance associated protein 1is among the major obstacles when it comes to treatment of cancer. This is because it not only hinders treatment, but also proper prognosis of cancer patients. It transport different therapeutic agents and a wide range of physiological substances and it can also play a significant role in development of resistance to drug in different forms of cancer including prostate cancer, breast cancer, lung cancer and childhood neuroblastoma.
Many patients of neuroblastoma in the current world disseminated this disease during diagnosis. Despite undergoing intensive treatment, prognosis of such patients remains dismal. Evidence that shows that multidrug resistance associated protein 1targets the genes that are involved in multidrug resistance in the neuroblastoma is increasing rapidly. Considering the significance of multidrug resistance associated protein 1overexpression in the neuroblastoma, its inhibition can be an important approach clinically in improving the patient outcome in the disease.
Developing a resistance to different cytotoxic drugs is the main cause of failure for treatment in different types of infections and malignant diseases. Thu, despite making significant advancement in the treatment of cancer, multidrug resistance associated protein 1is still a major problem in the medical or clinical field.
It causes poor outcome for patients and limitation of therapeutic options in different cancers. As such, having a better understanding of mechanisms leading to multidrug resistance associated protein 1is very important. It can help in improving the existing regime of chemotherapy in treatment of cancer and neuroblastoma.
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