Mesenchymal Signaling Cells vs. Stem Cells: What's the Difference?

Mesenchymal Signaling Cells (aka Stem Cells)

If you've been researching regenerative medicine, you've probably encountered two terms used almost interchangeably: "stem cells" and "mesenchymal signaling cells." They're not the same thing. And understanding the difference isn't just semantic — it matters for what you should expect from treatment, who you trust with your care, and whether the clinic you're considering is up to date on the science.

At Infinite Health Integrative Medicine Center in Metairie, Louisiana, we use mesenchymal signaling cells (MSCs) as part of our regenerative medicine and age-reversal protocols. Here's what you need to know.

The Old Term: "Stem Cells"

For years, the cells used in regenerative medicine were called "stem cells" — specifically, mesenchymal stem cells. The name implied that these cells worked primarily by differentiating: entering the body, becoming new cartilage, new joint tissue, new neurons, and directly replacing damaged cells.

That's the story that most people heard, and it's still how many clinics market their treatments today. The problem is that it's not accurate — or at least, it's significantly incomplete.

Research over the past decade has consistently shown that the primary mechanism of these cells isn't differentiation. It's signaling. These cells communicate with your body's existing repair systems, triggering anti-inflammatory cascades, stimulating local stem cell activity, promoting blood vessel formation, and modulating immune responses. They orchestrate healing rather than performing it directly.

Because of this, the scientific community updated the terminology. "Mesenchymal signaling cells" (or MSCs, preserving the same acronym) is now the more accurate and widely accepted term. Clinics still using "stem cells" as their primary marketing language are either behind on the science or not prioritizing precision.

What Are Mesenchymal Signaling Cells?

Mesenchymal signaling cells are a type of multipotent stromal cell found in multiple tissues throughout the body — bone marrow, adipose tissue, umbilical cord tissue (Wharton's Jelly), and elsewhere. They have several key properties that make them valuable in regenerative medicine:

Anti-inflammatory activity. MSCs actively suppress excessive inflammation, which is the underlying driver of most degenerative conditions — joint degeneration, chronic pain, accelerated aging, and autoimmune flares.

Paracrine signaling. MSCs release a wide array of growth factors, cytokines, and extracellular vesicles (including exosomes) that tell nearby cells to repair, regenerate, and reorganize.

Immunomodulation. MSCs can calm an overactive immune system without suppressing overall immune function — a key feature for patients with inflammatory or autoimmune conditions.

Homing behavior. When introduced into the body, MSCs are attracted to sites of injury and inflammation, which is why systemic administration can have local effects at specific problem areas.

Where Do the MSCs at Infinite Health Come From?

At Infinite Health, we use MSCs derived from Wharton's Jelly — the connective tissue of the umbilical cord. Wharton's Jelly-derived MSCs are considered among the most potent available for several reasons:

Age advantage. Umbilical cord tissue comes from newborn donors, meaning the cells are young, highly active, and haven't been exposed to decades of oxidative stress and inflammation. Compare that to bone marrow-derived MSCs, which come from adult donors (often the patient themselves) and reflect their biological age.

No donor discomfort. The umbilical cord is collected after healthy, full-term births with full maternal consent. It would otherwise be discarded. There is no procedure performed on the infant and no risk to the donor.

Cell potency. Wharton's Jelly MSCs consistently demonstrate high viability, strong paracrine signaling activity, and robust anti-inflammatory effects in clinical use.

All MSC products used at Infinite Health are sourced from FDA-regulated tissue banks and tested for sterility, viability, and identity before use.

What Conditions Can MSC Therapy Address?

At Infinite Health, MSC therapy is used as part of individualized protocols for joint degeneration (knee, hip, shoulder arthritis, and cartilage damage), chronic pain that hasn't responded to conventional treatment, sports injuries, inflammatory conditions, age-related decline as part of comprehensive age-reversal programs, and post-surgical recovery.

MSCs vs. PRP: What's the Difference?

Platelet-rich plasma (PRP) is another regenerative therapy you may have encountered. It's made by concentrating growth factors from your own blood and injecting them into a target area. PRP is effective for certain applications — particularly localized tendon and joint issues — but its mechanism is limited to what's already in your blood.

MSC therapy works at a fundamentally different level. MSCs bring their own signaling capacity, anti-inflammatory programming, and paracrine activity. For patients with moderate-to-severe joint degeneration or systemic inflammation, MSCs typically provide significantly more therapeutic value.

At Infinite Health, we may use PRP, MSCs, or a combination, depending on what your clinical picture calls for.

How MSC Therapy Works at Infinite Health

Our approach to regenerative medicine starts with a thorough clinical assessment. We review your imaging, labs, symptom history, and goals before recommending any protocol. MSC therapy isn't appropriate for every patient or every condition, and we won't recommend it unless the evidence and your clinical picture support it.

When MSC therapy is indicated, the procedure itself is straightforward. Depending on the application, MSCs may be administered via intravenous (IV) infusion for systemic effects, targeted injection into a specific joint, tendon, or tissue, or combination protocols alongside peptide therapy, BHRT, or exosomes.

We monitor your response following treatment and can combine MSC therapy with other regenerative tools — including exosomes, peptides, and optimized hormone levels — for more comprehensive results.

Why the Terminology Actually Matters

When you're choosing a regenerative medicine provider, the language they use tells you something. A clinic that still markets "stem cell therapy" without acknowledging the signaling mechanism may be working from an outdated model — or optimizing for searchability over accuracy.

Infinite Health uses the correct terminology because we believe our patients deserve accurate information. You're making significant decisions about your body and your health investment. You should understand what the science actually says.

Frequently Asked Questions

Is MSC therapy FDA-approved?MSC therapy as practiced in physician-supervised protocols uses cells regulated as human cells, tissues, and cellular products (HCT/Ps) under FDA guidelines. The FDA does not "approve" cell therapies in the same way it approves drugs, but the tissue banks supplying our MSCs operate under FDA oversight and meet current Good Tissue Practice (cGTP) standards.

How many treatments are needed? This depends on the condition being treated, its severity, and your individual response. Some patients see significant improvement after a single treatment; others benefit from a series. Your physician will set clear expectations based on your specific situation.

Is MSC therapy covered by insurance? Infinite Health is a self-pay practice and does not bill insurance. Pricing varies by protocol and is discussed during your consultation.

Can MSC therapy be combined with other treatments? Yes — and in many cases, combining MSCs with peptide therapy, optimized hormones, and exosomes produces better results than any single modality alone. We design protocols with this in mind.

Learn Whether MSC Therapy Is Right for You

If you're dealing with joint degeneration, chronic pain, or are interested in a comprehensive regenerative program, we'd love to talk through your options.

Learn About Our MSC Treatments →

Infinite Health Integrative Medicine Center | 3798 Veterans Memorial Blvd, Suite 100, Metairie, LA 70002 | Serving Metairie, New Orleans, and the greater Gulf Coast