The protective role of vitamin d in nasopharyngeal carcinoma: insights from Mendelian randomization and meta-analysis

  • 0Department of Otorhinolaryngology Head and Neck Surgery, Southern University of Science and Technology Hospital, Shenzhen, China. eating0712@163.com.

|

|

Summary

This summary is machine-generated.

Vitamin D significantly lowers the risk of nasopharyngeal carcinoma (NPC). This study used Mendelian randomization and meta-analysis to confirm vitamin D

Area Of Science

  • Oncology
  • Nutritional Science
  • Genetic Epidemiology

Background

  • Growing interest in vitamin D's anti-tumor properties.
  • Inconsistent findings in prior epidemiological studies on vitamin D and nasopharyngeal carcinoma (NPC).

Purpose Of The Study

  • To investigate the causal relationship between vitamin D and NPC risk.
  • To determine if vitamin D offers protection against NPC development.

Main Methods

  • Utilized Mendelian randomization (MR) with genetic variants as instrumental variables for vitamin D.
  • Employed inverse-variance weighted (IVW) as the primary MR analysis method.
  • Conducted sensitivity analyses and meta-analysis for result validation.

Main Results

  • Mendelian randomization indicated vitamin D is a protective factor against NPC (OR=0.35, P=0.028).
  • Findings were consistent across discovery and replication cohorts and confirmed by meta-analysis (OR=0.34, P<0.001).
  • Sensitivity analyses did not reveal significant heterogeneity or pleiotropy.

Conclusions

  • This study provides robust evidence for a significant reduction in NPC risk associated with vitamin D.
  • Vitamin D plays a protective role in NPC development, suggesting adequate levels may be a preventative strategy.
  • Further research is recommended to confirm findings and elucidate underlying mechanisms.

Related Concept Videos

Cancer Prevention 02:59

6.1K

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...

Role of Vitamins in Maintaining Bone Health 01:25

3.2K

The growth and maintenance of bone are regulated by a combination of nutritional factors, including vitamins, such as vitamin A, B12, C, D, and K.
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...

Rous Sarcoma Virus (RSV) and Cancer 01:03

5.0K

Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand  RNA genome. Its genome consists of four main open...

Abnormal Proliferation 02:23

4.5K

Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...

Connective Tissue Cell Types 01:22

3.1K

Connective tissue develops from the mesoderm of a developing embryo and consists of cells, fibers, and ground substance: a gel-like material containing large complexes of carbohydrates and proteins. Connective tissue was first identified as a separate tissue family in the 18th century, and Johannes Peter Muller coined the term connective tissue.
Fat cells (adipocytes), smooth muscle cells (myoblasts), and bone cells (osteoblasts) are some connective tissue cell types. Some immune system cells...

Cancer Vaccines 01:30

340

Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...