The phrase "same receptors" refers to specific parts of our body that receive signals or messages. It means that different things or substances are being detected by these receptors in a similar way. Full definition
In fact, the very same receptor on cells that environmental toxins use for their bad xenobiotic effects is also used by cruciferous vegetables. (mindbodygreen.com)
One way that a2M might perform this custodial chore is by carrying the bound b amyloid into cells where it can be degraded — a step that requires that it bind to the very same receptor that another protein, called apoE, uses to enter cells. (sciencemag.org)
IGF - 1 (Insulin - like Growth Factor 1) is basically exactly that; it's a hormone that has comparable attributes to insulin and outcomes on the body (it even adheres to the exact same receptors) as insulin, however it is created under totally reverse conditions. (factsonhgh.com)