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Table 3 Two-step MR results of VLDL as a mediator variable for AD and cancer

From: Mendelian randomization and transcriptomic analysis reveal an inverse causal relationship between Alzheimer’s disease and cancer

 

VLDL

nsnp

β

se

pval

Q

Q_df

Q_pval

AD as the exposure and VLDL as the outcome

L.VLDL.C

10

0.1109

0.0298

0.0002

18.0300

9

0.0348

L.VLDL.CE

10

0.0969

0.0298

0.0012

16.9641

9

0.0493

L.VLDL.PL

10

0.1416

0.0293

0.0000

17.3709

9

0.0432

S.VLDL.FC

10

0.2240

0.0332

0.0000

22.7703

9

0.0067

S.VLDL.L

10

0.1986

0.0319

0.0000

19.7753

9

0.0194

S.VLDL.P

10

0.1840

0.0321

0.0000

19.9873

9

0.0180

S.VLDL.PL

10

0.1837

0.0295

0.0000

18.0111

9

0.0350

VLDL as the exposure and endometrial cancer as the outcome

L.VLDL.C

9

− 0.1487

0.0678

0.0282

5.9211

8

0.6561

L.VLDL.CE

11

− 0.1503

0.0696

0.0308

12.4403

10

0.2565

L.VLDL.PL

9

− 0.1946

0.0768

0.0112

9.8292

8

0.2773

S.VLDL.FC

10

− 0.1523

0.0649

0.0188

9.5730

9

0.3862

S.VLDL.L

11

− 0.1282

0.0695

0.0650

13.3105

10

0.2070

S.VLDL.P

12

− 0.1420

0.0759

0.0615

13.3105

10

0.2070

S.VLDL.PL

10

− 0.1517

0.0625

0.0153

9.5537

9

0.3879

  

Mediating effect

Direct effect

     

AD as the exposure, endometrial cancer as the outcome, and VLDL as the mediator

L.VLDL.C

− 0.0165

− 0.0826

     

L.VLDL.CE

− 0.0146

− 0.0845

     

L.VLDL.PL

− 0.0276

− 0.0715

     

S.VLDL.FC

− 0.0341

− 0.0650

     

S.VLDL.L

− 0.0255

− 0.0736

     

S.VLDL.P

− 0.0261

− 0.0730

     

S.VLDL.PL

− 0.0279

− 0.0712

     
  1. Prefix—S small size, L large size
  2. Suffix—C total cholesterol, CE cholesterol esters, PL phospholipids, FC free cholesterol, L total lipids, P concentration of particles