Get Cisplatin: Chemistry and Biochemistry of a Leading PDF

By Bernhard Lippert

ISBN-10: 3906390209

ISBN-13: 9783906390208

30 years after its discovery as an antitumor agent, cisplatin represents this present day essentially the most profitable medicines in chemotherapy. This ebook is meant to reminisce this occasion, to take stock, and to indicate new strains of improvement during this box. Divided in 6 sections and 22 chapters, the publication presents an up to date account on themes such as
- the chemistry and biochemistry of cisplatin,
- the medical prestige of Pt anticancer drugs,
- the impression of cisplatin on inorganic and coordination chemistry,
- new advancements in drug layout, trying out and delivery.
It additionally encompasses a bankruptcy describing the historic improvement of the invention of cisplatin. the final word query - How does cisplatin kill a cellphone? - is but to be replied, yet there are actually new hyperlinks suggesting how Pt binding to DNA might set off a cascade of mobile reactions that finally bring about apoptosis. p53 and a chain of wear popularity proteins of the HMG-domain kinfolk seem to be concerned. The publication addresses the matter of mutagenicity of Pt medications and increases the query of the potential relevance of the minor DNA adducts, e.g. of interstrand cross-links, and the prospective use of trans-(NH3)2Pt(II)-modified oligonucleotides in antisense and antigene suggestions. Our current realizing of reactions of cisplatin with DNA relies upon various version reports (from remoted version nucleobases to brief DNA fragments) and alertness of a big physique of spectroscopic and different physico-chemical recommendations. because of those efforts there's shortly no different steel ion whose reactions with nucleic acids are higher understood than Pt. In a sequence of chapters, easy experiences at the interactions of Pt electrophiles with nucleobases, oligonucleotides, DNA, amino acids, peptides and proteins are stated, which use, between others, subtle NMR ideas or X-ray crystallography, to get amazing figuring out of info on such reactions. Reactivity of cisplatin, as soon as sure to DNA and previously believed to be inert sufficient to stick, is an rising phenomenon. It has (not but) extensively been studied yet is almost certainly vitally important. Medicinal bioinorganic chemistry - the position of steel compounds in drugs - has obtained an incredible strengthen from cisplatin, and so has bioinorganic chemistry as an entire. there's hardly ever a greater instance than cisplatin to illustrate what bioinorganic chemistry is all approximately: the wedding among vintage inorganic (coordination) chemistry and the opposite lifestyles sciences - drugs, pharmacy, biology, biochemistry. Cisplatin has left its mark additionally on components which are often thought of mostly inorganic. the topic of mixed-valance Pt compounds is an instance: From the napping attractiveness it made its strategy to the headlines of clinical journals, due to a category of novel Pt antitumor brokers, the so-called "platinum pyrimidine blues". within the aftermath diplatinum (III) compounds have been famous and reviews in huge numbers, and now an organometalic chemistry of those diplatinum (III) species is starting to emerge. the ultimate part of the booklet is anxious with new advancements similar to novel di- and trinuclear Pt(II) medicinal drugs with DNA binding houses diversified from these of cisplatin, with orally energetic Pt(IV) medications that are shortly in medical stories, and with makes an attempt to change combinatorial chemistry in this sort of manner that it could possibly develop into appropriate to quick screening of Pt antitumor medicines. the potential for together with computational equipment in fixing questions of Pt-DNA interactions is significantly handled within the concluding chapter.

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Extra info for Cisplatin: Chemistry and Biochemistry of a Leading Anticancer Drug

Sample text

A. Connors against the ADJ/PC6 myeloma tumor in mice. It cured the tumors completely at a dose 1/500 of the LD50. Such specificity, especially in the absence of any evidence of selective tumor up- THE START 25 take of the drug, is utterly inconsistent with the direct cell-toxicity hypothesis. A host response must again be invoked, one with high specificity. And again, the immune system alone has that characteristic. Finally, we can count the number of tumor cells in the animal as a function of time after a platinum drug treatment known to produce large-percent cures.

The search for new platinum analogues that could circumvent the deleterious aspects of cisplatin therapy soon followed. Carboplatin is a cisplatin analogue that is more easily administered and is less toxic at standard doses. This is due to a different pharmacokinetic profile resulting from the substitution of a more stable leaving group. Carboplatin and cisplatin form similar DNA adducts, which may explain, in part, the similar efficacies observed with the drugs in most solid tumors. The search for platinum analogues that do not exhibit cross-resistance with cisplatin and carboplatin has led to the synthesis of the DACH platinum compounds.

Completed accrual in January, 1998. b CISPLATIN – HOW GOOD IS IT? 47 resection [103–105]. The discovery that cisplatin and carboplatin can act as radiosensitizers has prompted investigation of concurrent chemoradiotherapy regimens, and the results of two recently reported studies by Choy et al. [106] and Belani et al. [107] of concurrent weekly carboplatin/paclitaxel and radiotherapy in locally advanced NSCLC are encouraging. The rather compelling evidence from trials to date has led to the routine use of platinum-based chemotherapy regimens as initial therapy in patients with Stage III NSCLC.

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Cisplatin: Chemistry and Biochemistry of a Leading Anticancer Drug by Bernhard Lippert

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