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Table 2 Showing the Isoforms of MT on Tumorgenesis

From: A Review of Metallothionein Isoforms and their Role in Pathophysiology

S.NO

CANCER

ISOFORMS

ROLE

1

Breast Cancer

MT-1 A,E,F,X, H,G, MT-3, MT-2A.

1) MT-1E: Alternative processes that replace the function of estrogen i;e breast cancer tumorgenesis.

2) MT-3: Poor prognosis for patients with breast cancer.

   

3) MT-2A: Detected in breast tissue is positively correlated with cell proliferation and histological grade.

4) MT-1F: It found to influence histological differentiation in invasive breast cancer.

2

Renal Cancer

MT-1A, MT-1G, MT-IX, MT-3.

1) MT-3: Normal kidney & also in renal cell carcinoma, cancerous bladder tissues,(which was absent in normal bladder tissues)prostatic adenocarcinoma..

2) MT-IX:Bladder cancer.

3

Prostate Cancer

MT-1A, MT-1E, MT-1X, MT-2A, MT-1, MT-2.

1) MT-IX:Advanced prostate cancer.

2) MT-1, MT-2: proliferative activity of breast, colon & prostate human cancer.

4

Papillary Thyroid Cancer

MT-1, MT-2.

Thyroid Cancer cells (KAT5 cells) + Calcium elevated ERK1/2 → 8 functional MT-1&MT2 induced By cd → MT expression+ Decrease in G0, G1 phase, Increase in G2-M phase →

Novel pathway for Functional MT expression.