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Genes may be targets for AML therapy

Micrograph showing AML

Two genes are critical to the development of acute myeloid leukemia (AML), according to research published in Cancer Cell.

Previous research suggested the genes, KDM4C and PRMT1, are key players in transcription regulation during both normal and disease development.

The new study showed that, during AML development, KDM4C and PRMT1 are recruited to enable the transformation of blood cells into cancer cells.

The genes work in tandem, and, if either is not fully active, AML does not develop.

The researchers made these discoveries by inhibiting KDM4C and PRMT1—either genetically or pharmacologically—in mice with AML.

When either gene was silenced via genetic means, the majority of the mice were still alive at the end of the researchers’ 60-day experiment. However, the majority of control mice died in less than 40 days.

The team observed similarly favorable results when they inhibited either gene with drugs—the PRMT1 inhibitor AMI-408 and the KDM4C inhibitor SD70.

The median disease latency was 48 days in mice that received AMI-408 and 36 days in control mice. The median disease latency was 62 days in mice that received SD70 and 55 days in control mice.

“The demonstration of how critical these genes are to cancer transformation and treatment could be highly significant for the design of new drugs,” said study author Eric So, PhD, of King’s College London in the UK.

“Further work is needed to develop and refine drugs to maximize their effects and so that they are suitable for patients. Clinical trials will then be needed to see how leukemia patients respond to these drugs and how use of them can be optimized.”

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Micrograph showing AML

Two genes are critical to the development of acute myeloid leukemia (AML), according to research published in Cancer Cell.

Previous research suggested the genes, KDM4C and PRMT1, are key players in transcription regulation during both normal and disease development.

The new study showed that, during AML development, KDM4C and PRMT1 are recruited to enable the transformation of blood cells into cancer cells.

The genes work in tandem, and, if either is not fully active, AML does not develop.

The researchers made these discoveries by inhibiting KDM4C and PRMT1—either genetically or pharmacologically—in mice with AML.

When either gene was silenced via genetic means, the majority of the mice were still alive at the end of the researchers’ 60-day experiment. However, the majority of control mice died in less than 40 days.

The team observed similarly favorable results when they inhibited either gene with drugs—the PRMT1 inhibitor AMI-408 and the KDM4C inhibitor SD70.

The median disease latency was 48 days in mice that received AMI-408 and 36 days in control mice. The median disease latency was 62 days in mice that received SD70 and 55 days in control mice.

“The demonstration of how critical these genes are to cancer transformation and treatment could be highly significant for the design of new drugs,” said study author Eric So, PhD, of King’s College London in the UK.

“Further work is needed to develop and refine drugs to maximize their effects and so that they are suitable for patients. Clinical trials will then be needed to see how leukemia patients respond to these drugs and how use of them can be optimized.”

Micrograph showing AML

Two genes are critical to the development of acute myeloid leukemia (AML), according to research published in Cancer Cell.

Previous research suggested the genes, KDM4C and PRMT1, are key players in transcription regulation during both normal and disease development.

The new study showed that, during AML development, KDM4C and PRMT1 are recruited to enable the transformation of blood cells into cancer cells.

The genes work in tandem, and, if either is not fully active, AML does not develop.

The researchers made these discoveries by inhibiting KDM4C and PRMT1—either genetically or pharmacologically—in mice with AML.

When either gene was silenced via genetic means, the majority of the mice were still alive at the end of the researchers’ 60-day experiment. However, the majority of control mice died in less than 40 days.

The team observed similarly favorable results when they inhibited either gene with drugs—the PRMT1 inhibitor AMI-408 and the KDM4C inhibitor SD70.

The median disease latency was 48 days in mice that received AMI-408 and 36 days in control mice. The median disease latency was 62 days in mice that received SD70 and 55 days in control mice.

“The demonstration of how critical these genes are to cancer transformation and treatment could be highly significant for the design of new drugs,” said study author Eric So, PhD, of King’s College London in the UK.

“Further work is needed to develop and refine drugs to maximize their effects and so that they are suitable for patients. Clinical trials will then be needed to see how leukemia patients respond to these drugs and how use of them can be optimized.”

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