[2] In 1963–1971, Panin worked as an assistant at the department of biochemistry of the Tomsk Medical Institute.
[2] From 1971 to 1988, he headed the laboratory of biochemistry in the Research Institute of Clinical and Experimental Medicine SB AMS USSR (Novosibirsk) and in 1981–1987 he served as deputy director for scientific work in this organization.
[1] His research interests included homeostasis and metabolic types of humans in the conditions of the Far North and the Arctic; scientific foundations of rational nutrition in the severe climate of the North and Siberia; and the significance of resident macrophages for the regulation of gene expression.
[2] He served on the editorial boards of the Nutrition Issues (Вопросы питания), Human Ecology (Экология человека), Physical Chemical Biology and Medicine.
[2] Panin was awarded the Order of Friendship of Peoples, medals and the badge "Overachiever in Health Care".