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Arrowhead Research’s top official this week announced that the company has shifted its research and development focus entirely onto RNAi drugs enabled by its dynamic polyconjugate, or DPC, delivery technology.

Arrowhead Research this week announced that it has begun dosing patients in a phase I study of its siRNA-based hepatitis B treatment ARC-520.

Life Technologies announced this week that it has signed a licensing agreement giving Suzhou Ribo Life Sciences the exclusive rights to use its Invivofectamine Rx delivery technology in the development and manufacturing of siRNA therapeutics in China.

Arrowhead Research said this week that it has filed an application with Australian regulators to begin phase I testing of its hepatitis B treatment ARC-520.

Veritas Bio, a biotechnology holding company established by two co-founders of expressed RNAi firm Nucleonics, said this week that the US Patent and Trademark Office has issued a notice of allowance on a patent application covering a novel liver-directed RNAi delivery technology.

Arrowhead Research said this week that its preclinical hepatitis B treatment ARC-520 was found to trigger a greater than 90 percent reduction in circulating HBV DNA in a chimpanzee chronically infected with the virus.

Shares of Benitec Biopharma resumed trading on the Australian Stock Exchange this week after the company announced that it had closed a A$800,000 ($821,760) private placement that it said would give it resources enough to fund a clinical trial of its recently reacquired hepatitis

Arrowhead Research this week published preclinical data demonstrating that its lead hepatitis B drug candidate, dubbed ARC-520, could silence the hepatitis B virus in rodents for up to one month after a single dose.

Arrowhead Research's top executive this week broke out details on the company's efforts to move its RNAi-based hepatitis B virus treatment ARC-520 into the clinic, stating that the firm will run two phase I trials in order to speed up the generation of key human data.

Researchers from the Beijing Institute of Biotechnology this week published research suggesting that the suppression of a specific microRNA by the hepatitis B virus is responsible for the cancer growth and metastasis that is sometimes caused by the infection.

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The US National Institutes of Health's All of Us project awarded $4.6 million to the company Color to develop a genetic counseling resource for the program.

The Times of India reports on a pilot study that used genomic testing to determine whether patients had drug-resistant tuberculosis.

New guidelines say that more women may benefit from genetic testing for hereditary breast or ovarian cancer, according to the Los Angeles Times.

In Cell this week: small proteins identified among human microbiome, role for tumor microbes in pancreatic cancer survival, and more.