PMID- 35159932 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20220219 IS - 2077-0383 (Print) IS - 2077-0383 (Electronic) IS - 2077-0383 (Linking) VI - 11 IP - 3 DP - 2022 Jan 18 TI - Anatabine, Nornicotine, and Anabasine Reduce Weight Gain and Body Fat through Decreases in Food Intake and Increases in Physical Activity. LID - 10.3390/jcm11030481 [doi] LID - 481 AB - Obesity is a leading cause of preventable death in the United States. Currently approved pharmacotherapies for the treatment of obesity are associated with rebound weight gain, negative side effects, and the potential for abuse. There is a need for new treatments with fewer side effects. Minor tobacco alkaloids (MTAs) are potential candidates for novel obesity pharmacotherapies. These alkaloids are structurally related to nicotine, which can help reduce body weight, but without the same addictive potential. The purpose of the current study was to examine the effects of three MTAs (nornicotine, anatabine, and anabasine) and nicotine on weight gain, body composition, chow intake, and physical activity. We hypothesized that the MTAs and nicotine would reduce weight gain through reductions in chow intake and increases in physical activity. To test this, male Sprague Dawley rats were housed in metabolic phenotyping chambers. Following acclimation to these chambers and to (subcutaneous (sc)) injections of saline, animals received daily injections (sc) of nornicotine, anabasine, anatabine, or nicotine for one week. Compared to saline-injected animals that gained body weight and body fat during the treatment phase, injections of nornicotine and anatabine prevented additional weight gain, alongside reductions in body fat. Rats receiving anabasine and nicotine gained body weight at a slower rate relative to rats receiving saline injections, and body fat remained unchanged. All compounds reduced the intake of chow pellets. Nornicotine and nicotine produced consistent increases in physical activity 6 h post-injection, whereas anabasine's and anatabine's effects on physical activity were more transient. These results show that short-term, daily administration of nornicotine, anabasine, and anatabine has positive effects on weight loss, through reductions in body fat and food intake and increases in physical activity. Together, these findings suggest that MTAs are worthy of further investigations as anti-obesity pharmacotherapies. FAU - Grebenstein, Patricia E AU - Grebenstein PE AD - Geriatric Research Education and Clinical Center, Minneapolis VA Medical Center, Minneapolis, MN 55417, USA. AD - Food Science and Nutrition, University of Minnesota, St Paul, MN 55108, USA. FAU - Erickson, Paige AU - Erickson P AD - Geriatric Research Education and Clinical Center, Minneapolis VA Medical Center, Minneapolis, MN 55417, USA. FAU - Grace, Martha AU - Grace M AD - Geriatric Research Education and Clinical Center, Minneapolis VA Medical Center, Minneapolis, MN 55417, USA. FAU - Kotz, Catherine M AU - Kotz CM AD - Geriatric Research Education and Clinical Center, Minneapolis VA Medical Center, Minneapolis, MN 55417, USA. AD - Integrative Biology and Physiology, University of Minnesota, Minneapolis, MN 55455, USA. LA - eng GR - 5IK2BX003838-05/VA/VA/United States GR - BX003687-01A1/VA/VA/United States GR - T32DK083250/NH/NIH HHS/United States GR - T32 DK083250-07/NH/NIH HHS/United States PT - Journal Article DEP - 20220118 PL - Switzerland TA - J Clin Med JT - Journal of clinical medicine JID - 101606588 PMC - PMC8837150 OTO - NOTNLM OT - body weight OT - minor tobacco alkaloids OT - nicotine OT - obesity COIS- The authors declare no conflict of interest. EDAT- 2022/02/16 06:00 MHDA- 2022/02/16 06:01 PMCR- 2022/01/18 CRDT- 2022/02/15 01:06 PHST- 2021/11/24 00:00 [received] PHST- 2022/01/04 00:00 [revised] PHST- 2022/01/05 00:00 [accepted] PHST- 2022/02/15 01:06 [entrez] PHST- 2022/02/16 06:00 [pubmed] PHST- 2022/02/16 06:01 [medline] PHST- 2022/01/18 00:00 [pmc-release] AID - jcm11030481 [pii] AID - jcm-11-00481 [pii] AID - 10.3390/jcm11030481 [doi] PST - epublish SO - J Clin Med. 2022 Jan 18;11(3):481. doi: 10.3390/jcm11030481.