The phrase "although the blockade of" is correct and usable in written English.
It can be used to introduce a contrast or exception related to a blockade, often in discussions about political or military situations.
Example: "Although the blockade of the port was intended to restrict supplies, humanitarian aid continued to flow through alternative routes."
Alternatives: "despite the blockade of" or "even with the blockade of".
Although the blockade of IDO1 activity significantly reduced the depletion of tryptophan, plasma levels of Kyna remained elevated after repeated stress (Fig. 4A).
Although the blockade of angiopoietin/Tie2 signaling has previously be shown to prevent the recruitment of CD11b+ myeloid cells in a model of airway inflammation (Tabruyn et al, 2010) and in colon cancer (Huang et al, 2011), this study extends these observations to a mouse model of brain cancer.
Although the blockade of the cortisol response did not lead to a reverse in the MDMA-induced memory deficits, a potential role for cortisol in these effects cannot be totally excluded, as there are more types of memory than tested here.
Although still not completely clear, the blockade of GABAB receptor potentiated the natriorexigenic effect of baclofen in the first 90 min of the test.
IFNγ production in the same cultures was less dependent on the blockade of FasL, although reduced IFNγ in the B cell-depleted culture in which anti-FasL antibody was present suggested that Fas/FasL interactions may actually stimulate IFNγ in some circumstances.
Although promising results have been demonstrated with these medications, the blockade of such important biologic pathways necessitates careful safety monitoring.
The blockade of Constantinople was lifted.
Egypt dropped the blockade of Elat.
— Giles Harvey A breach of the blockade of Leningrad, in 1941.
The blockade of about 3,500 miles (5,600 km) of Confederate coastline was a factor of incalculable value in the final defeat of the Davis government, although the blockade did not become truly effective before the end of 1863.
Although 67% of respondents to one poll this week said they supported the routine strikes and demonstrations, 54% were against the blockade of oil refineries.
