Integrative Kidney Institute, بناء المهندسن ساحة المحافظهBuilding Engineers Square Mun, Damascus (2026)

11/08/2026

Creatinine is one of the most widely used markers for estimating kidney function, but it can be influenced by more than the kidneys themselves.

Eating cooked beef, poultry, fish, or seafood before a blood test can temporarily raise serum creatinine and make the calculated eGFR appear lower.

This does not necessarily mean that kidney function has declined.

For a more accurate and consistent result:

✅ Consider avoiding cooked meat, poultry, and fish for 12 to 24 hours before testing
✅ Try to complete repeat blood tests under similar conditions
✅ Tell your clinician if you recently ate a meat-heavy meal
✅ Ask whether repeating the test or checking cystatin C may be appropriate when results are unexpected

Do not change your diet, fluid intake, or medications solely to alter a laboratory result. Always follow the preparation instructions provided by your healthcare team.

Understanding the factors that influence kidney testing is an important part of providing more precise and personalized kidney care.

📘 Learn more about evidence-informed nutrition, laboratory assessment, lifestyle medicine, and integrative approaches to kidney health in
Integrative Nephrology: A Systems-Based Approach to Modern Kidney Care.

The print edition is now available for preorder.

🔗 Preorder your copy here: [https://tidd.ly/4fadBjO]

10/08/2026

💊🫘 A New Discovery May Make Tolvaptan Easier to Take in ADPKD

Tolvaptan is currently the only FDA-approved medication proven to slow the progression of autosomal dominant polycystic kidney disease (ADPKD).
Unfortunately, many patients stop taking it because of its most common side effects:

💧 Excessive thirst
🚽 Frequent urination
🌙 Nighttime urination

Now, a fascinating new study may offer a solution.

Researchers discovered a previously unknown kidney pathway that regulates water reabsorption independently of vasopressin.

They found that intracellular uric acid (urate) controls the movement of aquaporin-2 (AQP2) water channels through a newly identified GLUT9b–ABCG2–AMPK signaling pathway.

In mouse models of ADPKD, blocking the urate transporter ABCG2 with probenecid significantly reduced the excessive urine output caused by tolvaptan without reducing its ability to slow cyst growth.

Even more encouraging, a small Phase 2 clinical trial found that adding probenecid reduced both daily urine volume and nighttime urination in patients taking tolvaptan.

🔬 Why is this important?

The biggest limitation of tolvaptan isn't its effectiveness—it's tolerability.

If future studies confirm these findings, targeting this newly discovered urate–AMPK–AQP2 pathway could make treatment much easier to live with, improving both quality of life and long-term adherence while preserving the drug's kidney-protective benefits.

Sometimes the most important advances aren't new drugs—they're new ways to make our best therapies work better for patients.

💬 Would reducing tolvaptan's side effects change your willingness to start or stay on therapy? What other quality-of-life issues in ADPKD deserve more research?

Read the study link in bio: [https://www.jci.org/articles/view/197021]

09/08/2026

Chronic kidney disease can affect the mouth in several ways, including:

• Dry mouth
• Gum disease
• Mouth infections
• Pale gums or oral tissues related to anemia
• Changes in tooth enamel, especially in children
• Gum overgrowth caused by certain medications

People who have received a kidney transplant may face additional risks because anti-rejection medications suppress the immune system. These risks can include opportunistic infections, medication-related gum changes, and a higher risk of some oral cancers.

Oral infections and periodontal disease may also contribute to inflammation throughout the body. However, much of the current research is observational, so we cannot yet say that treating gum disease directly improves kidney outcomes.

What can you do?

✅ Brush twice daily with fluoride toothpaste
✅ Clean between your teeth every day
✅ Schedule regular dental examinations and professional cleanings
✅ Tell your dentist that you have CKD, receive dialysis, or have had a kidney transplant
✅ Provide your dentist with an updated medication list
✅ Report dry mouth, bleeding gums, mouth sores, swelling, or white patches
✅ Ask your kidney and dental teams to coordinate care before invasive procedures

Kidney transplant recipients should be especially careful not to ignore persistent mouth sores, unusual growths, or lesions that do not heal.

The bottom line: Oral care is not separate from kidney care. Regular dental assessment, prevention, and communication between your dentist and kidney specialist should be part of comprehensive CKD and transplant care.

Read the review in the link in bio: [https://www.mdpi.com/2077-0383/15/13/4940]

08/08/2026

Creatinine is commonly used to estimate kidney function through a calculation called eGFR. However, creatinine is influenced by more than the kidneys.

When meat, poultry, or fish is cooked, some of its natural creatine is converted into creatinine. After you eat it, that creatinine can be absorbed into your bloodstream and temporarily raise your blood creatinine level.

This can make your eGFR appear lower, even when your kidney function has not actually changed.

Studies have found that:

• Creatinine may rise within 1–2 hours after eating cooked animal protein
• The increase can last for 12–24 hours
• Beef, poultry, fish, and seafood can all affect the result
• In some people with CKD, the temporary change may even make them appear to have a more advanced stage of kidney disease
• Cystatin C, another kidney function marker, is not affected in the same way

The effect comes mainly from cooking the meat, not simply from eating protein.

Before your next creatinine and eGFR test:

✅ Avoid a large cooked meat, poultry, or fish meal the evening before testing
✅ For the most consistent result, consider avoiding cooked animal protein for 12–24 hours before the blood draw
✅ Have follow-up tests performed under similar conditions each time
✅ Tell your clinician if you recently ate a meat-heavy meal, especially if the result is unexpectedly abnormal
✅ Ask whether repeating the test or checking cystatin C would provide a clearer picture

Do not make major dietary changes solely to improve your laboratory numbers. The goal is to obtain a measurement that accurately reflects your usual kidney function.

The bottom line: A temporary rise in creatinine after cooked meat does not necessarily mean that your kidneys suddenly became worse. What you ate before the test can affect the result.

Read the article link in bio: [https://www.ovid.com/10.1681/ASN.0000001192]

07/08/2026

Your kidneys contain a built-in “potassium switch” that helps balance sodium and potassium.

When your potassium intake is too low, this switch tells the kidneys to conserve potassium. The downside is that the kidneys may also hold on to more sodium, which can raise blood pressure, especially in people who are sensitive to salt.

Modern diets often create the perfect storm:

🥫 Too much sodium from packaged and restaurant foods
🥗 Too little potassium from fruits, vegetables, beans, and other whole foods

What can you do?

• Reduce ultra-processed and heavily salted foods
• Eat more potassium-rich whole foods when medically appropriate
• Choose foods such as beans, lentils, leafy greens, squash, avocado, fruit, and unsalted nuts
• Check food labels and compare sodium content
• Monitor your blood pressure regularly

The goal is not simply to “eat less salt.” It is to restore a healthier balance between sodium and potassium.

⚠️ People with chronic kidney disease, high blood potassium, or those taking certain blood pressure medications should not deliberately increase potassium without speaking with their healthcare professional.

The bottom line: A whole-food diet that is lower in sodium and provides adequate potassium may help your kidneys release more sodium and support healthier blood pressure.

Read the review here: [https://www.nature.com/articles/s41581-026-01099-5]

06/08/2026

We are excited to share that Integrative Nephrology is now available for preorder.

This textbook represents a major step toward bringing a more comprehensive, systems-based approach to kidney care into clinical practice. Chronic kidney disease is rarely driven by one factor alone. Genetics, metabolic health, inflammation, environmental exposures, nutrition, lifestyle, stress physiology, medications, and conventional nephrology care all intersect in ways that shape kidney health.

Integrative Nephrology was created to help clinicians, students, and health professionals think more broadly, while still remaining grounded in scientific rigor and practical clinical application.

This book brings together contributors from nephrology, nutrition, functional medicine, herbal medicine, lifestyle medicine, and other related fields to explore how whole-person care can complement conventional kidney care.

My hope is that this textbook will help move the field toward earlier intervention, better personalization, and a deeper understanding of the many upstream factors that influence kidney disease.

Preorder is now available here: [https://tidd.ly/4fadBjO]

I would be grateful if you could help share this with clinicians, trainees, educators, patients, and anyone interested in the future of kidney care.

What role do you think integrative medicine should play in nephrology?

05/08/2026

High uric acid is common in people with diabetes and chronic kidney disease (CKD)—but does it actually predict worse outcomes?

In this study, researchers analyzed 672 adults with both diabetes and CKD from the NHANES database to examine whether serum uric acid (SUA) levels were associated with the risk of death.

After accounting for kidney function, albuminuria, blood pressure, blood sugar, and other major risk factors, they found:

📌 Uric acid levels above 9 mg/dL were associated with:
🎗️ Nearly a 9-fold higher risk of cancer-related death
❤️ Almost a 4-fold higher risk of the combined outcome of cardiovascular or cancer death

Interestingly, elevated uric acid was not independently associated with overall mortality in the entire cohort after adjusting for kidney function and albuminuria.

However, among patients without pre-existing cardiovascular disease, a uric acid level >9 mg/dL was associated with a more than 7-fold higher risk of cardiovascular death.

The strongest associations were seen in patients with:

✅ Better diabetes control (HbA1c

04/08/2026

Cognitive impairment is increasingly recognized as one of the hidden complications of chronic kidney disease (CKD).

Many people with CKD experience problems with memory, attention, and executive function—but why does kidney disease affect the brain?

This new review explores the kidney–brain axis, highlighting several mechanisms that may contribute to cognitive decline in CKD, including:

🧪 Accumulation of uremic toxins
🔥 Chronic inflammation
⚡ Oxidative stress
🩸 Cerebrovascular dysfunction
🔋 Mitochondrial injury
🧠 Impaired glymphatic (brain waste clearance) function
🛡️ Reduced Klotho, an important anti-aging protein

The review also examines resveratrol, a natural polyphenol found in grapes, berries, and peanuts, as a potential therapeutic strategy.

Preclinical studies suggest that resveratrol may:

✅ Reduce oxidative stress and neuroinflammation
✅ Improve mitochondrial function
✅ Support healthy blood vessel function
✅ Activate the SIRT1/PGC-1α pathway
✅ Potentially restore Klotho expression

🔬 Why is this important?

Protecting cognitive function is becoming an increasingly important goal in CKD care. While the laboratory data on resveratrol are promising, human clinical studies remain limited and have shown mixed results.

For now, resveratrol should be viewed as an interesting area of ongoing research rather than an established treatment for cognitive impairment in CKD.

The review also reminds us that protecting the kidneys may help protect the brain—and that inflammation, oxidative stress, vascular health, and mitochondrial function are shared targets for both.

💬 Do you think cognitive health should become a routine part of CKD management? Have you noticed changes in memory or concentration among patients with kidney disease?

Read the review link in bio: [https://www.jrnjournal.org/article/S1051-2276(26)00105-6/abstract]

03/08/2026

🧫 Could microplastics be harming our kidneys?

A new experimental study investigated how real-world microplastics affect kidney health.

Unlike the smooth, spherical particles often used in laboratory research, the investigators studied irregularly shaped microplastic fragments, which more closely resemble the plastics found in our environment.

After oral exposure in mice, most microplastics were eliminated in the stool. However, some irregular fragments entered the bloodstream, accumulated in multiple organs, and were even detected in the urine, suggesting they were able to cross the kidney's filtration barrier.

Within the kidneys, these particles were associated with:

• Injury to the glomerular filtration barrier
• Reduced capillary blood flow
• Increased immune cell infiltration and inflammation
• Greater albumin leakage into the urine

In contrast, the spherical particles caused little or no detectable kidney injury.

Although this was an animal study and cannot be directly applied to humans, it raises an important question: Could long-term exposure to environmental microplastics contribute to kidney disease?

The study also reminds us that how we study environmental toxins matters. Using microplastics that resemble those found in the real world may provide a more accurate understanding of their potential health effects than studies using perfectly smooth laboratory particles.

As evidence continues to emerge, reducing unnecessary plastic exposure may become another piece of a comprehensive strategy to protect kidney health.

❓Do you think environmental toxins like microplastics deserve more attention as potential contributors to chronic kidney disease?

Read the study here: [https://journals.lww.com/kidney360/abstract/9900/irregularly_shaped_microplastic_particles.934.aspx]

02/08/2026

A new study has identified parathyroid hormone receptor 1 (PTH1R) as a potential driver of cyst growth in autosomal dominant polycystic kidney disease (ADPKD).

Researchers found that PTH1R is highly expressed on the primary cilia of kidney cells—the key signaling hub involved in ADPKD. When activated by parathyroid hormone (PTH), the receptor increased cAMP signaling, one of the major pathways that promotes cyst growth.

Importantly, genetically removing PTH1R significantly reduced cyst formation, and treatment with the calcimimetic cinacalcet, which lowers circulating PTH levels, also reduced cyst burden in animal models.

So why is this exciting?

It suggests that PTH itself may contribute to cyst progression, making it a potential therapeutic target in ADPKD.

This also raises an important question from an integrative perspective.

Instead of relying only on medications that suppress PTH, could we also help optimize PTH naturally by addressing nutritional factors that regulate it?

These include:

🦴 Calcium
💚 Magnesium
☀️ Vitamin D
🛡️ Vitamin K2
🌱 Boron

Optimizing these nutrients is already important for bone and mineral metabolism and may help maintain healthy PTH levels.

However, this study did not evaluate nutritional interventions, and there is currently no clinical evidence that optimizing these nutrients slows ADPKD progression. Rather, the findings provide an intriguing mechanistic rationale for future research exploring whether nutritional optimization could complement current ADPKD therapies.

As our understanding of ADPKD evolves, managing the disease may eventually involve not only targeting cysts directly but also optimizing the hormonal and metabolic pathways that influence them.

💬 Do you think future ADPKD treatment should combine medications with targeted nutritional strategies to optimize PTH?
📖 Read the study link in bio: [https://journals.lww.com/jasn/abstract/10.1681/asn.0000001170~parathyroid-hormone-receptor-1-facilitates-cyst-growth-in?redirectionsource=fulltextview]

Integrative Kidney Institute

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