Scientist whose work is “not fully supported by the available laboratory records” to retract 8 more papers

SK Manna

Yesterday, we reported that Sunil Kumar Manna, the head of immunology at India’s Centre for DNA Fingerprinting and Diagnostics, had retracted two papers for image problems.

Turns out Manna will be retracting eight more, he told us today. Here they are:

Retractions three and four for Hopkins cancer biomarker group

A group of cancer researchers formerly centered at Johns Hopkins have retracted two more studies. The previous two retracted papers — one of which was the focus of a lawsuit — were about prostate cancer, while the new retractions are of papers about colon cancer.

Here’s the notice for one paper:

Five retractions for cancer research team for manipulated figures

The International Journal of Cancer, a Wiley title, has retracted a pair of articles from a group at UT Southwestern Medical Center in Dallas, for image manipulation.

The papers, from the lab of Adi Gazdar, the W. Ray Wallace Distinguished Chair in Molecular Oncology Research who is known for his massive collection of human cancer cells, were published in 2005.

The first was titled “Aberrant methylation of Reprimo in human malignancies.” According to the retraction notice:

Tenth Potti retraction appears, in Clinical Cancer Research

Anil Potti and his colleagues have retracted another paper, “Characterizing the Clinical Relevance of an Embryonic Stem Cell Phenotype in Lung Adenocarcinoma,” originally published in the December 15, 2009, issue of Clinical Cancer Research.

According to the notice: