Table 1.
Reviewed studies in which obesity plays a favorable role in cancer and those in which leptin behaves as a good actor.
| Type of Cancer | Type of Study | References | Was Leptin Analyzed? | Was Leptin a Good Actor? |
|---|---|---|---|---|
| Breast | Humans | [176] | Yes | Yes * |
| Humans | [177] | Yes | Yes | |
| Pancreatic | Cell line | [27] | Yes | Yes |
| Humans | [180] | Yes | Yes | |
| Humans | [181] | Yes | Yes | |
| Melanoma | Humans | [166] | No | - |
| Humans | [30] | No | - | |
| Mice | [182] | Yes | Yes | |
| Humans | [175] | No | - | |
| Colorectal | Humans | [178] | Yes | Yes |
| Humans | [169] | No | - | |
| Humans | [170] | No | - | |
| Humans | [171] | No | - | |
| Humans | [172] | No | - | |
| Humans | [173] | No | - | |
| Renal | Humans | [159] | No | - |
| Humans | [160] | No | - | |
| Humans | [28] | No | - | |
| Humans | [162] | No | - | |
| Humans | [30] | No | - | |
| Humans | [175] | No | - | |
| Lung | Humans | [156] | No | - |
| Humans | [157] | No | - | |
| Humans | [30] | No | - | |
| Humans | [158] | No | - | |
| Humans | [175] | No | - | |
| Hepatocellular | Cell line | [179] | Yes | Yes |
| Humans | [174] | No | - | |
| Lymphomas | Humans | [163] | No | - |
| Humans | [164] | No | - | |
| Humans | [165] | No | - | |
| Myeloid leukemia | Humans | [168] | No | - |
| Others ** | Humans | [30] | No | - |
* No after adjustment of other risk factors included in the analysis. ** Types of cancer not specified in the reference.