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Vitamin B12 Research: Top 5 Discoveries in September 2023

Vitamin B12 Research

This blog post delves into the latest findings from top publications about Vitamin B12. We will explore a variety of research topics, revealing recent scientific discoveries about this important micronutrient, including its potential role in combating depression and Alzheimer’s Disease, its effects post-bariatric surgery, its importance in a healthy diet, and innovations in detecting levels of Vitamin B12 in the body.


1. Nicotine withdrawal and depression

The research reveals that Vitamin B12 could potentially have a significant role in reducing anxiety and depression induced by nicotine withdrawal. It offers insights into the use of Vitamin B12 as a promising treatment option.

Vitamin B12 Alleviates Nicotine Withdrawal-Induced Depression [1]

A recent study provided some insightful findings regarding the impact of Vitamin B12 (Vit B12) on depression and anxiety caused by nicotine withdrawal, specifically in adolescent male rats. The purpose of the research was to evaluate whether this vitamin could assist in easing the negative emotional effects typically experienced during nicotine withdrawal. By analyzing both behavioral and biochemical aspects, the study divided the rats into different groups, each receiving varying treatments like saline solution, Vitamin B12, or bupropion (a medication typically used in nicotine addiction treatment).

The researchers observed that nicotine withdrawal indeed led to an increase in anxiety and depression-like behaviour among the rats. However, intervention with both Vitamin B12 and bupropion lessened these symptoms. Further biochemical testing revealed escalated activity of pro-inflammatory cytokines and oxidative stress factors in the nicotine group, suggesting a heightened state of inflammation and oxidative stress. Yet, both Vitamin B12 and bupropion successfully reversed these aspects, contributing towards better antioxidant and anti-inflammatory parameters.

Moreover, a substantial decrease in Vitamin B12 levels was recorded in the nicotine group, but the administration of both Vitamin B12 and bupropion managed to restore these levels. The conclusion deduced from these findings was notably interesting: Vitamin B12 showed a parallel effect to bupropion in alleviating nicotine withdrawal symptoms. Even further, Vitamin B12 intake in normal conditions had a positive outcome in curbing antioxidant and anti-inflammatory markers, suggesting a potential application of this vitamin as a new antioxidant and anti-inflammatory agent. This holds promising implications not merely for nicotine withdrawal but for treating other conditions associated with oxidative stress or inflammation, such as Alzheimer’s.

2. Alzheimer's Disease Treatment

The research suggests that Vitamin B12 loaded nanofibers could potentially be employed for the treatment of Alzheimer’s Disease. This highlights the potential of Vitamin B12 as a crucial component in medical advances.

Vitamin B12 Nanofibers Show Promising Anti-Alzheimer's Activity [2]

Vitamin B12, heavily studied in the realm of health and nutrition, is again making waves, this time in the development of treatment strategies for Alzheimer's Disease (AD). Exciting research revolves around the creation of vitamin B12-loaded nanofibers, intending to use them for transdermal drug delivery. The production method resulted in enhanced properties and a smooth structure, beneficial for this type of application. Intriguingly, these nanofibers released the loaded drugs rapidly and then continued to release them in a sustained manner for two weeks, indicating their potential suitability for transdermal use. Even more promising is the demonstrated anti-Alzheimer's potential of these B12 nanofibers. In cell studies, they were able to protect against neurotoxicity, a common characteristic of Alzheimer's. Zooming in on the gene level, a decrease in harmful gene expressions and an increase in protective ones was observed post-treatment with B12 nanofibers. Additionally, cell morphology remained unchanged, further supporting the argument for their viability as an Alzheimer's treatment strategy. This promising research hints at the extensive potential of vitamin B12 beyond just a nutritional supplement, paving the way for medical advancements in Alzheimer's Disease treatment.

3. Post-bariatric surgery deficiencies

The study discusses micronutrient deficiencies, including Vitamin B12, post-bariatric surgery. It underscores the need for adequate nutrition to ensure recovery and long-term health after significant weight loss procedures.

Vitamin B12 Deficiency Risk Post-Bariatric Surgery Not Higher in Racially Minoritized Patients [3]

In recent research on vitamin and micronutrient levels following bariatric surgery, examinations about disparities were brought to light. The focus of the study was on a wide range of micronutrients, including Vitamin B12. Although the research found several differences concerning race and ethnicity, it was concluded that racially and ethnically minoritized patients are not at an elevated risk of Vitamin B12 deficiency compared to White patients following bariatric surgery.

Interestingly, the research revealed that African Americans have a higher prevalence of deficiencies in specific other vitamins such as thiamine, vitamin D, and vitamin A. Moreover, hyperparathyroidism – a condition that can occur due to vitamin D deficiency – was also found to be more prevalent among African American patients. However, for calcium and Vitamin B12, the study showed no racial or ethnic differences in deficiency rates following weight loss surgery.

Other health conditions such as anemia and bone loss, which can sometimes be linked to micronutrient deficiencies, were not evaluated in this study based on race or ethnicity. This notable piece of research suggests the need to continually provide personalized nutritional support and post-operative monitoring to patients undergoing bariatric surgery, regardless of their ethnic or racial background.

Though this study helps to dispel concerns about higher Vitamin B12 deficiency risks among specific racial or ethnic groupings post-bariatric surgery, researchers are still calling for further qualitative and quantitative exploration into these disparities.

4. Diet lacking in Vitamin B12

The document includes a case study of malnutrition resulting from a diet poor in Vitamin B12. It emphasizes how critical a balanced diet, rich in essential nutrients including Vitamin B12, is for overall health.

Severe Nutrient Deficiency From a Ramen-Only Diet Leads To Serious Health Consequences [4]

The instance of a 28-year-old woman who lost her job due to COVID-19-related issues and resorted to surviving on a diet solely comprised of ramen noodles sets a stark warning about malnutrition and the grave health issues that can result from it. Over twenty-two months, the woman lost 27 kg and developed severe health problems due to a lack of essential nutrients, particularly potassium, chloride, and Vitamin B12 that are not found in ramen noodles in sufficient amounts.

She was taken to the emergency room with a sudden worsening of weakness and a sensation of tingling and prickling in her left wrist and hand. A thorough examination and lab tests revealed several alarming health issues, including severe hypokalemia (low potassium levels), hypochloremia (low chloride levels), lactic acidosis (build-up of lactic acid), metabolic alkalosis with respiratory acidosis (an imbalance in the body's acid/base control), and low levels of zinc and copper. An EKG test also revealed a prolonged QT interval, indicative of heart rhythm disorders. She was diagnosed with a failure to thrive due to malnutrition, peripheral neuropathy (damage to the nerves that send information from the brain and spinal cord to the rest of the body), hypokalemia, and an acid-base disorder.

After ruling out possibilities of stroke, spinal injury, and multiple sclerosis, the focus was put on nutrient deficiencies as the cause of her health problems. Further evidence of this was revealed in the potency of her hypokalemia, which is known to cause weakness from previous research. This case represents an additional impact of hypokalemia, contributing to the known consequences of severe potassium deficiency. The crucial roles of potassium and chloride in maintaining the body's acid/base balance are illustrated in this situation. It also highlights the effects of deficient intake of vitamins and minerals such as cobalamin, thiamine, pyridoxine, copper into the body and the dangers of toxins like lead. In cases like this, the diagnosis of mononeuropathies related to malnutrition and hypokalemia can be clarified through urine potassium level tests before repleniment, neuroimaging that involves the cervical spine, and follow-up electromyography (a diagnostic procedure to assess the health of muscles and the nerve cells that control them).

This case brings to light the immense importance of having a well-balanced diet rich in essential nutrients, like Vitamin B12 , emphasized by the drastic health implications seen from severe malnutrition. As such, it's crucial to be conscious of what we're putting into our bodies, especially in a time where food or financial insecurity may be more prevalent due to the global pandemic.

5. Rapid detection of Vitamin B12

The study outlines the creation of a fast and sensitive method for detecting Vitamin B12 levels. It illustrates advancements in medical technology related to monitoring essential nutrient levels.

Fast and Sensitive Method for Vitamin B12 Detection Developed [5]

Vitamin B12 is crucial for the body’s growth with its aberrant levels often a harbinger of specific diseases. To ensure its real-time tracking, an innovative, sensitive, and eco-friendly technique for detecting Vitamin B12 levels has been developed. This technique employs Bird's nest carbon dots (B-CDs), synthesized using a bird's nest and distilled water. The B-CDs, produced through a one-step hydrothermal synthesis process, demonstrate outstanding features like excellent water solubility, brilliant fluorescence performance, exceptional biocompatibility, and stability across a wide pH spectrum of 3.0-11.0. When Vitamin B12 interacts with the B-CDs, the fluorescence of the reaction system consistently diminishes. This interaction presents a consistent linear relationship between the fluorescence of B-CDs and the concentration of Vitamin B12, from the range 0 ∼ 100 µM with a very high correlation coefficient (R2 = 0.9929) and a very low detection limit (0.24 µM). This method has been used to successfully detect Vitamin B12 in human serum samples, with recovery levels ranging from 96.2% to 100.3%, which makes it a practical option for broader clinical use. This study marks substantial progress in medical technology that focuses on tracking essential nutrient levels effectively.


Conclusion

In conclusion, the research underscores the significance of Vitamin B12 to human health, from its potential role in treating depression and Alzheimer’s Disease, to its essential function in a nutritious diet. Furthermore, advancements in technology continue to revolutionize the ways we can detect and monitor levels of this crucial nutrient. Stay aware of your Vitamin B12 intake – your health might depend on it!


References

1.

Pahlavani, H., Masoudi, M., Khoshroo, N., Kakhki, S., Mahdi Rezavanimehr, M., Ghari, A., & Beheshti, F. (2023). Vitamin B12 reversed anxiety and depression induced by adolescent nicotine withdrawal through alteration the inflammatory, oxidative and serotoninergic profiles in male rats. Biochemical Pharmacology, 217, 115832. https://doi.org/https://doi.org/10.1016/j.bcp.2023.115832

2.

Ertas, B., Onay, I. N., Yilmaz-Goler, A. M., Karademir-Yilmaz, B., Aslan, I., & Cam, M. E. (2023). A novel high-efficiency transdermal patches for combinational therapy of Alzheimer’s disease: Donepezil/vitamin B12-loaded nanofibers. Journal of Drug Delivery Science and Technology, 89, 104963. https://doi.org/https://doi.org/10.1016/j.jddst.2023.104963

3.

Jawara, D., Ufearo, D. M., Murtha, J. A., Fayanju, O. M., Gannon, B. M., Ravelli, M. N., & Funk, L. M. (2023). Racial disparities in selected micronutrient deficiencies after bariatric surgery: A systematic review. Surgery for Obesity and Related Diseases. https://doi.org/https://doi.org/10.1016/j.soard.2023.09.022

4.

Lalley, A., Bawa, S., & Harmouche, E. (2023). Ramen noodle neuropathy: an atypical case of partial paralysis from malnutrition. The American Journal of Emergency Medicine. https://doi.org/https://doi.org/10.1016/j.ajem.2023.09.039

5.

Chen, J., Mao, C., Ye, H., Gao, X., & Zhao, L. (2024). Natural biomass carbon Dots-Based fluorescence sensor for high precision detection of vitamin B12 in serum. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 305, 123459. https://doi.org/https://doi.org/10.1016/j.saa.2023.123459