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Causal association between endocrine diseases and lymphoid malignancies explored through two-sample Mendelian
Chenze Zhao1, Yu Zhang2, Lili Qian3
1Heart Center, Department of Cardiovascular Medicine, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, 310014, China.
Scientific Reports
|April 24, 2025
Summary
Diabetic hypoglycemia may causally link to lymphocytic leukemia, according to this study. Other endocrine diseases showed no significant association with lymphoid malignancies, warranting further investigation.
Area of Science:
- Endocrinology
- Oncology
- Genetics
Background:
- Endocrine diseases are implicated in lymphoid malignancies, but causal links remain unclear.
- Specific endocrine conditions like type 2 diabetes, obesity, and hyperthyroidism require investigation regarding their association with leukemia and lymphoma.
- Understanding these relationships is crucial for identifying potential risk factors and developing targeted prevention strategies.
Purpose of the Study:
- To investigate the potential causal relationship between key endocrine diseases and lymphoid malignancies.
- To assess the specific associations between type 2 diabetes, obesity, diabetic hypoglycemia, hyperlipidemia, hyperthyroidism, and lymphocytic leukemia and non-Hodgkin's lymphoma.
- To utilize genetic data and advanced statistical methods to establish or refute causal links.
Main Methods:
- A two-sample Mendelian randomization analysis was employed using genome-wide association study data.
- The inverse-variance weighted method was the primary analytical approach.
- Robust methods including weighted median and MR-Egger regression were used for validation and reliability.
Main Results:
- A significant causal association was identified between genetically predicted diabetic hypoglycemia and lymphocytic leukemia (OR = 1.0004, P = 0.03).
- No significant causal relationships were found between other investigated endocrine diseases (type 2 diabetes, obesity, hyperlipidemia, hyperthyroidism) and lymphoid malignancies.
- The results suggest a specific link between diabetic hypoglycemia and lymphocytic leukemia, while other endocrine factors appear unrelated.
Conclusions:
- Diabetic hypoglycemia may represent a causal risk factor for lymphocytic leukemia.
- Other common endocrine diseases do not appear to have a causal role in the development of lymphoid malignancies based on this analysis.
- Further research, including cross-population studies and biological investigations, is needed to confirm these findings and explore underlying mechanisms.
