Prohost Letter #393 IMMUNOTHERAPY - PROHOST PORTFOLIO - NEW PICKS? - A Brief Reminder of the CAR T –TCR Immunotherapy Approaches In this issue we continue our journey inside the territory of cancer immunotherapy. We remind that in the Prohost Letter issue #391, we dealt with the immunotherapy based on genetically engineered T Cells, enabling them to seek out, attack and neutralize cancer cells. The immune system’s T …

Prohost Letter #391 Frightened by the Market and Politicians’ Debates, Not the Drug Industry, Investors are Fleeing the Biotechnology Sector  1. A fruitless debate over the high prices of drugs 2. The low price of oil, the world’s dream for decades, is now considered a disaster for the world economy? 1. The High Drug Price Debate Again, as in past presidential debates, politicians have chosen an …

The Market is Surely Ignoring the Historical Summit Biotech achievements are standing on Right Now     The latest biotech sector’s breakthroughs we presented was the novel powerful gene editing techniques CRISPR/cas9 and TALEN. Our article in the Prohost Letter #390 meant to enable the reader to understand that the evolution in biological sciences, especially in sequencing and analyzing the genome of the sick and healthy cells, has reached a stage …

Prohost Letter #388 TOPICS - 1. AN INDISPENSABLE SHORT INTRODUCTION 2. GENE EDITING 3. GENE THERAPY 4. CANCER IMMUNOTHERAPY 1. GENE EDITING Exon Skipping: Biomarin (BMRN); Sarepta (SRPT); These firms are waiting FDA approvals for Duchenne Muscular Dystrophy (DMD) Gene Editing Technology Competitors: Cellectis S.A. (CLLS); CRISPR; PTC Therapeutics (PTCT) Firms Using Different Approaches For DMD Treatment (see Below) Zink Finger Tech: Sangamo (SGMO); RNAi …

When we hear about a new approach that promises bringing in hopefulness in patients diagnosed with brain glioma, we try to listen and hope for the best, rather than develop and demonstrate  skepticism. Are we not walking the road of genetic engineering, gene therapy approaches and immunotherapy? Our optimism becomes realistic, especially when a scientific rationale is explained by researchers in scientifically solid firms that …

Prohost Letter #384 The Assassination of the Biotech Sector The Market (Part 2) On Friday September 18, 2015, the biotechnology sector occupied the news headlines for two different reasons. The first was the sudden unexplicable and unexpected plummeting of the biotech sector. The stocks were flying sky high until modday and suddenly, all the biotech stocks, without exception, took a dive. The second reason was the triumph of …

Prohost Letter #383 The Market - Recent tails about the market and the biotech sector are true thrillers. By true we mean no-fiction. The accounts lack common sense. Professionals' interpretations of the stocks' and of the market's moves are bizarre and misleading. General investors complain only when the stocks' volatility gets out of hand, yet, do not object to the hype, or interferes against the baseless …

The moment the new IPO NantKwest (NK) landed in the town of publicly traded firms, some called it the “New Golden Boy”. During the IPO, investors who knew about this firm and were waiting for that day seemed confident that the stock would surge. As a matter of fact, the stock did surge. On July 27, NantKwest, Inc. (formerly Conkwest, Inc.), Issued a press release …

Prohost Letter #375 Part 2 Novel Breakthrough Cancer Immunotherapy Approaches PART 2 In Part 1 of this issue, we described the immunotherapy approach that aims at modulating immune checkpoint proteins, thus unleashing the T cells to do their natural task of detecting, attacking and eliminating cancer cells. The approach is a success, as we reiterated, with greatly encouraging results. Researchers in large oncology centers and drug …